900000000000509007: United States of America English language reference set (foundation metadata concept)

concepto de SNOMED CT\componente del modelo de SNOMED CT\concepto de metadato fundacional (metadato fundacional)\conjunto de referencias\conjunto de referencias de lenguaje\conjunto de referencias de lenguaje para el idioma inglés\conjunto de referencias de idioma inglés de acuerdo con la ortografía de Estados Unidos de Norteamérica (metadato fundacional)

Status: current, estado de definición de concepto necesario pero no suficiente (metadato del núcleo). Date: 31-Jan 2002. Module: módulo identificador para componentes del modelo de SNOMED CT (metadato del núcleo)

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
conjunto de referencias de idioma inglés de acuerdo con la ortografía de Estados Unidos de Norteamérica (metadato fundacional)	es un[a]	conjunto de referencias de lenguaje para el idioma inglés	true	relación inferida	restricción existencial (metadato del núcleo)

Members	acceptabilityId
A rare hereditary sensory and autonomic neuropathy characterized by congenital insensitivity to pain, general hypesthesia, diminished temperature sensitivity, and hyperhidrosis. Motor function is preserved. Skin biopsy reveals lack of cutaneous innervation except for sensory and autonomic innervation of blood vessels and sweat glands.	preferido
A rare hereditary sensory and autonomic neuropathy characterized by hypotonia in infancy, variable psychomotor retardation, markedly impaired pain sensitivity with poorly healing distal ulcerations and painless fractures leading to joint deformities and amputation of fingers and toes, altered deep tendon reflexes, and dysautonomic symptoms including hypohidrosis and heat intolerance, chronic diarrhea, pupillary abnormalities, or urinary incontinence. Sensorineural hearing loss has also been reported. The severity of the disease is highly variable, with severe cases being potentially lethal in infancy.	preferido
A rare hereditary skin disease characterized by irregularly distributed epidermal papular/punctate hyperkeratosis of the palms and soles with wide variation among patients.	preferido
A rare heterogeneous group of metabolic disorders characterized by abnormal calcium metabolism causing hypocalcemia due to insufficient serum levels of bioactive parathormone (PTH), without other endocrine disorders or developmental defects.	preferido
A rare heterotaxia characterized by complex congenital heart malformations and abnormal lateralization of other thoracic and abdominal organs due to embryonic disruption of the left-right axis development. Cardiac defects include dextrocardia or mesocardia, common atrioventricular valve associated with complete atrioventricular septal defect or common atrium, transposition or malposition of the great arteries, and total anomalous pulmonary venous drainage, among others. Cardiac arrhythmias are frequently observed. Typical abnormalities of other organs are bilateral trilobed lungs, midline liver, and asplenia. Patients present in the newborn period with severe cardiac failure and cyanosis. Prognosis is poor.	preferido
A rare high-grade endometrial carcinoma characterized by diffuse, marked nuclear pleomorphism, typically exhibiting complex papillary and/or glandular growth patterns and showing abnormal p53 and diffuse p16 immunohistochemistry. The tumor typically arises in atrophic endometrium or in an endometrial polyp. Most patients present with postmenopausal bleeding. Extrauterine metastasis is present in 40-50% of surgically staged cases, most frequently involving lymph nodes or peritoneal sites and omentum. Patients with extrauterine spread have poor outcomes, while endometrium-limited carcinoma has a better prognosis.	preferido
A rare histopathological disorder of unknown etiology characterized by the deposition of a subepithelial collagen band with accompanying inflammatory infiltrate.	preferido
A rare hyaline fibromatosis syndrome with characteristics of papulo-nodular skin lesions (especially around the head and neck), soft tissue masses, gingival hypertrophy, joint contractures and osteolytic bone lesions in variable degrees. Joint contractures may cripple patients and delay normal motor development if occurring in infancy. Severe gingival hyperplasia can interfere with eating and delay dentition. Histopathology analysis of involved tissues reveals cords of spindle-shaped cells embedded in an amorphous, hyaline material.	preferido
A rare hyper-IgE syndrome characterized by early-onset moderate to severe atopic dermatitis and recurrent infections of variable severity including molluscum contagiosum, pneumonia, abscesses, bacteremia, or eczema herpeticum, among others. Other reported manifestations include asthma, food allergies, colitis, chronic diarrhea, lymphoma, and seizures, as well as dysmorphic facial features, such as prominent forehead, broad nose, and poor dentition.	preferido
A rare hyper-IgE syndrome with characteristics of atopic dermatitis (eczema), chronic mucocutaneous candidiasis, and elevated IgE levels due to ZNF341 deficiency. High plasma levels of IgG and low natural killer (NK) cell numbers are observed. Other major clinical features involve recurrent skin infections with skin abscesses and connective tissue abnormalities. Some patients may have recurrent lung infections.	preferido
A rare hyperalphalipoproteinemia characterized by elevated plasma cholesterol and triglyceride (TG) levels with a marked TG enrichment of low- and high-density lipoproteins (HDL), presence of circulating beta-very low density lipoproteins and elevated HDL cholesterol levels, in the presence of a very low, or undetectable, postheparin plasma hepatic lipase activity. Premature atherosclerosis and/or coronary heart disease may be associated.	preferido
A rare hypereosinophilic syndrome characterized by hypereosinophilia produced by clonal eosinophils derived from neoplastic stem cells in the absence of any secondary cause of eosinophilia and persisting for at least six months. The condition is associated with signs of organ infiltration, dysfunction, and damage. Clinical manifestations are highly variable, depending on the organ systems involved, and include dermatologic, pulmonary, cardiac, gastrointestinal, and cerebral manifestations, among others.	preferido
A rare hypereosinophilic syndrome characterized by hypereosinophilia produced by reactive/non-clonal eosinophils secondary to an underlying medical condition and persisting for at least six months. The disorder can derive from non-neoplastic conditions (such as chronic infections and infestations, allergic reactions, intoxications, or autoimmune and chronic inflammatory disorders) or from neoplasms including non-myeloid malignancies, among others. It is associated with signs of organ infiltration, dysfunction, and damage. Clinical manifestations are highly variable, depending on the organ systems involved, and most commonly include dermatologic, pulmonary, cardiac, gastrointestinal, and cerebral manifestations.	preferido
A rare hyperkinetic movement disorder characterized by delayed motor development and infantile onset of axial hypotonia and a generalized hyperkinetic movement disorder, principally with dyskinesia of the limbs and trunk, and facial involvement including orolingual dyskinesia, drooling, and dysarthria. Variable hyperkinetic movements may include a jerky quality, intermittent chorea and ballismus. Brain imaging is normal and cognitive performance is typically preserved.	preferido
A rare hypersensitivity reaction with characteristics of the rapid development of numerous, nonfollicular, sterile, pinhead-sized pustules on an erythematous base, predominantly occurring on the trunk, intertriginous and flexural areas, with rare, mostly oral, mucosal involvement. Fever, peripheral blood leukocytosis, and mild eosinophilia are accompanying features. Systemic involvement, with hepatic, renal or pulmonary dysfunction, occasionally occurs. Onset usually occurs 1-12 days after administration of the causal medication and is most frequently associated with beta‐lactam antibiotics, macrolides (including pristinamycin and clindamycin), diltiazem, terbinafine, (hydroxy‐)chloroquine but many other medications have also been implicated. Histology reveals spongiform, subcorneal and/or intraepidermal, pustules but this pattern is not specific (same in pustular psoriasis).	preferido
A rare hyperthyroidism characterized by mild to severe hyperthyroidism, presence of goiter, absence of features of autoimmunity, frequent relapses while on treatment and a positive family history.	preferido
A rare hypomyelinating leukodystrophy disorder characterized by the association of dental abnormalities (delayed dentition, abnormal order of dentition, hypodontia), hypogonadotropic hypogonadism, and hypomyelinating leukodystrophy manifesting with neurodevelopmental delay or regression and/or progressive cerebellar symptoms.	preferido
A rare idiopathic glomerular clinical syndrome characterized by diffuse renal lesions that are indistinguishable from the lesions observed in systemic lupus erythematosus (SLE) in the absence of circulating autoantibodies and other systemic features necessary to meet the classification criteria for SLE. Patients may present with nephrotic syndrome, abnormal urinary sediment, acute renal insufficiency, progressive glomerulonephritis, and hypertension. Some patients have been reported to develop a progression to SLE over time.	preferido
A rare idiopathic inflammatory myopathy (IIM) with a heterogeneous phenotype characterized by myositis with at least one clinical and/or autoantibody overlap feature. Possible clinical overlap features include polyarthritis, Raynaud's phenomenon, sclerodactyly, scleroderma (proximal to metacarpophalangeal joints), lung interstitial pneumonia, and/or clinical signs of systemic lupus erythematosus (SLE).	preferido
A rare idiopathic inflammatory myopathy characterized by diffuse destructive infiltration of CD68+ macrophages into the fascia rather than muscle fibers in muscle biopsies, proximal muscle weakness and myalgia with or without scaly dermatomyositis-like or atypical non-dermatomyositis-like skin lesions, elevation of creatine kinase levels and thickening of muscle fascia in muscle MRI.	preferido
A rare idiopathic inflammatory myopathy characterized by eosinophilic infiltration and inflammatory lesions of the skeletal muscle tissue, in the absence of an identifiable causative factor (e.g. parasitic infection, drug intake, systemic or malignant disease). Clinically patients may present focal or generalized muscle weakness and pain, difficulties to walk, motor clumsiness and/or mild bilateral Achilles tendon contracture, as well as elevated serum creatine kinase levels and peripheral blood and/or bone marrow hypereosinophilia.	preferido
A rare idiopathic interstitial pneumonia characterized by prominent subpleural and parenchymal fibroelastosis and pleural fibrosis, predominantly involving the upper lobes. Signs and symptoms include non-productive cough, dyspnea, and recurrent respiratory infections. Pneumothorax is a frequently reported complication. Pulmonary function test reveals a restrictive pattern and reduced diffusing capacity. Computed tomography shows pleural thickening with signs of fibrosis (traction bronchiectasis, architectural distortion, and loss of volume), and reticulation.	preferido
A rare immune disease characterized by severely reduced mitochondrial DNA content due to DGUOK deficiency typically manifesting with early-onset liver dysfunction, psychomotor delay, hypotonia, rotary nystagmus that develops into opsoclonus, lactic acidosis and hypoglycemia.	preferido
A rare immune dysregulation disease with immunodeficiency characterized by infantile or childhood onset of a variable phenotype including recurrent/persistent bacterial, fungal, and viral infections with involvement of the skin, lower respiratory tract, and gastrointestinal tract, eczema, allergies, and inflammatory bowel disease, among others. EBV-related smooth muscle tumors have also been reported. Immunophenotyping shows decreased Treg counts, as well as a deficient CD3/CD28 co-stimulation response in CD4+ and CD8+ T-cells.	preferido
A rare immune dysregulation disease with immunodeficiency characterized by severe, progressive infantile onset inflammatory bowel disease with pancolitis, perianal disease (ulceration, fistulae), recurrent respiratory, genitourinary and cutaneous infections, arthritis and a high risk of B-cell lymphoma.	preferido
A rare immunodeficiency syndrome characterized by a narrow vulnerability to poorly virulent mycobacteria such as bacillus Calmette-Guerin (BCG) vaccines and environmental mycobacteria and defined by severe recurrent infections, either disseminated or localized. The most serious variants develop in early childhood with first infections generally occurring around the age of 3. MSMD can be inherited in an autosomal dominant, autosomal recessive or X-linked manner.	preferido
A rare immunodeficiency syndrome with autoimmunity characterized by early-onset autoimmune and autoinflammatory manifestations due to SOCS1 haploinsufficiency. Patients present with variable phenotypes including hyper IgE-like syndrome with eczema and purulent infections, eosinophilic allergic alveolitis, common variable immunodeficiency-like phenotype with hypogammaglobulinemia, chronic autoimmune cytopenia, T-cell lymphopenia, granulomatous lymphocytic interstitial lung disease, systemic lupus erythematosus and malignancy.	preferido
A rare immunodysregulatory disease characterized by refractory diarrhea, endocrinopathies, cutaneous involvement, and infections.	preferido
A rare inborn error of amino acid metabolism characterized by elevated blood phenylalanine and low levels or absence of phenylalanine hydroxylase enzyme. If not detected early or left untreated, the disorder manifests with mild to severe mental disability.	preferido
A rare inborn error of metabolism characterized by abnormal accumulation of plasma cystathionine and subsequent increased urinary excretion due to cystathionine gamma-lyase deficiency. The condition is considered benign without pathological relevance. Mode of inheritance is autosomal recessive.	preferido
A rare inborn error of metabolism characterized by cabbage-like breath odor with high levels of methanethiol and dimethylsulfide in oral and nasal breath, due to methanethiol oxidase deficiency. Laboratory examination shows elevated levels of dimethylsulfide, dimethylsulfoxide, and dimethylsulfone in blood, cerebrospinal fluid (CSF), and urine.	preferido
A rare inborn error of metabolism characterized by congenital asplenia and childhood or adolescent onset of generalized inflammation, persistent intravascular hemolysis and anemia, severe endothelial injury with abnormal coagulation, bleeding diathesis, and nephropathy. Additional reported manifestations include growth retardation, mild facial dysmorphism, and hepatomegaly.	preferido
A rare inborn error of metabolism characterized by congenital hypertryptophanemia and hyperserotonemia. Patients are typically asymptomatic, although developmental delay, intellectual disability, and behavioral abnormalities, among others, have been reported in association.	preferido
A rare inborn error of metabolism characterized by increased serum phenylalanine, associated with variable neurological symptoms ranging from mild autistic features or hyperactivity to severe intellectual disability, dystonia, and parkinsonism. Laboratory analyses show normal tetrahydrobiopterin (BH4) metabolism and low levels of the CSF monoamine neurotransmitter metabolites homovanillic acid and 5-hydroxyindoleacetic acid.	preferido
A rare inborn error of metabolism characterized by infantile onset of global developmental delay, severe intellectual disability, seizures, and movement disorder (including tremor, hyperkinesia, and myoclonus), associated with excessive excretion of hydroxylysine in urine. There have been no further descriptions in the literature since 1970.	preferido
A rare inborn error of metabolism characterized by massive accumulation of triglycerides in the myocardium and coronary arteries, while plasma triglyceride levels are normal. Patients present in adulthood with signs and symptoms of coronary artery disease and severe heart failure. Concomitant skeletal myopathy is common. Vacuole formation in polymorphonuclear leukocytes is typically observed.	preferido
A rare inborn error of metabolism characterized by severe neonatal encephalopathy with EEG abnormalities, increased serum lactate, little or no psychomotor development, and sometimes death in infancy. Brain imaging may show cortical atrophy, enlarged ventricles, delayed myelination, and white matter abnormalities, among others.	preferido
A rare inborn error of metabolism characterized by the presence of large amounts of trimethylamine in urine, sweat, and breath, resulting in a fishy body odor in affected individuals. While there are no additional signs and symptoms, the condition can have profound psychosocial consequences.	preferido
A rare inborn error of metabolism characterized by variable combinations of non-spherocytic hemolytic anemia, myopathy, and various central nervous system abnormalities.	preferido
A rare inborn error of metabolism comprising 3-phosphoglycerate dehydrogenase deficiency, 3-phosphoserine phosphatase deficiency, and phosphoserine aminotransferase deficiency, and characterized by a phenotypic spectrum ranging from congenital microcephaly, psychomotor retardation, and intractable seizures in the infantile forms to milder juvenile forms with moderate developmental delay and intellectual disability.	preferido
A rare inborn error of metabolism disorder, with a highly variable phenotype, typically characterized by neonatal to infancy-onset of seizures, psychomotor delay, and abnormal muscle tone that may include hypo- and/or hypertonia, resulting in generalized weakness, dystonic movements, and/or progressive respiratory distress, associated with severe lactic acidosis and elevated lactate, ketoglutarate and 2-oxoacids in urine. Additional manifestations may include dehydration, vomiting, signs of liver dysfunction, extrapyramidal signs, spastic tetraparesis, brisk deep tendon reflexes, speech impairment, swallowing difficulties, and pulmonary hypertension.	preferido
A rare inborn error of metabolism with characteristics of elevation of malonic acid (MA) and methylmalonic acid (MMA) in body fluids, with higher levels of MMA than MA. The disease presents in childhood with metabolic acidosis, developmental delay, dystonia and failure to thrive or in adulthood with seizures, memory loss and cognitive decline.	preferido
A rare inborn error of zinc metabolism characterized by recurrent infections, hepatosplenomegaly, anemia (unresponsive to iron supplementation) and chronic systemic inflammation in the presence of high plasma concentrations of zinc and calprotectin. Patients typically present dermal ulcers or other cutaneous manifestations (e.g. inflammation) and arthralgia. Severe epistaxis and spontaneous hematomas have also been reported.	preferido
A rare inclusion myopathy characterized by hypotonia and axial muscle weakness leading to spinal rigidity and development of scoliosis and other deformities which can result in respiratory failure. The symptoms are apparent from birth or early childhood. The muscle weakness is not progressive, and most patients remain ambulatory. Muscle biopsies show variable myopathic changes.	preferido
A rare infantile onset neurometabolic disease characterized by dystonia, parkinsonism, nonambulation, autonomic dysfunction, developmental delay and mood disturbances.	preferido
A rare infectious disease characterized by severe non-purulent encephalitis caused by Borna disease virus 1 (BoDV-1). Patients present with fever, headache, malaise, and fatigue, followed a few days later by nausea, confusion and disorientation, and psychomotor slowing. Ataxia, aphasia, dyspnea, multifocal myoclonic jerks, and paraplegia have been described. The condition is very often fatal after progress to lethargy, deteriorating brain stem reflexes, and coma. Examination of the cerebrospinal fluid reveals moderate lympho-monocytic pleocytosis and presence of BoDV-1 RNA.	preferido
A rare infectious disease that causes no clinical manifestations in the majority of infants. Indeed, the occurrence of congenital infection with EBV has never been demonstrated conclusively and must be very rare. One case has been reported to present after birth, multiple congenital anomalies (micrognathia, cryptorchidism, central cataracts), dystrophy, generalized hypotonia, hepatosplenomegaly, diffuse petechiae and hematomas and multiple areas of metaphysitis of the long bones at birth. A low birth weight was also reported. No specific follow-up of the fetus is recommended following maternal EBV primary-infection.	preferido
A rare inflammatory bowel disease characterized by early cutaneous photosensitivity manifesting by sun-induced facial erythematous and vesicular lesions and severe recurrent colitis which lead to untreatable diarrhea. There have been no further descriptions in the literature since 1991.	preferido
A rare inflammatory neuropathy belonging to the clinical spectrum of Guillain-Barré syndrome (GBS).	preferido
A rare inflammatory optic neuropathy characterized by recurrent episodes of idiopathic inflammation of the optic nerve head with optic disc edema associated with macular exudate in a star-shaped pattern. Patients present with acute visual loss, most typically in the form of a large central scotoma. Pain is mild or absent. Bilateral involvement is frequent and usually sequential. The interval between attacks is highly variable, ranging from months to several years. Visual loss is cumulative with each attack and often severe.	preferido
A rare inflammatory optic neuropathy characterized by severe and persistent pain followed by subacute visual loss, a relapsing-remitting course, and steroid-dependence. Involvement of both optic nerves is common and is usually sequential. Serum antibodies against aquaporin 4 are absent in most cases. Magnetic resonance imaging shows contrast enhancement of the acutely inflamed optic nerves.	preferido
A rare inflammatory, necrotizing, systemic vasculitis that affects predominantly small vessels (i.e. small arteries, arterioles, capillaries, venules) in multiple organs, including the kidney, the lungs, the skin and the peripheral nerves.	preferido
A rare inherited bleeding disorder due to the reduction in activity and antigen levels of both factor V (FV) and factor VIII (FVIII) and characterized by mild-to-moderate bleeding symptoms.	preferido
A rare inherited cancer-predisposing syndrome characterized by adult onset of hematologic malignancies mainly affecting the myeloid lineage (such as myelodysplastic syndrome and/or acute myeloid leukemia), less frequently lymphoid malignancies. Some patients have been reported to develop granulomatous or immune disorders (including sarcoidosis, systemic lupus erythematosus, asthma, eczema, or juvenile arthritis) before or in the absence of hematologic malignancies.	preferido
A rare inherited cancer-predisposing syndrome characterized by early-onset hepatocellular carcinoma, genomic instability, and progeroid features, such as short stature, low body weight, muscular atrophy, lipodystrophy, bilateral cataracts, and premature hair graying. Dysmorphic craniofacial features include triangular face, small, deep-set eyes, and micrognathia. Kyphoscoliosis, sloping shoulders, mild pectus excavatum, bilateral contractures of the elbows and fingers, bilateral clinodactyly, and pes planus have also been reported.	preferido
A rare inherited cancer-predisposing syndrome characterized by occurrence of multiple synchronous primary carcinoids of the small intestine. Clinical presentation is otherwise indistinguishable from sporadic carcinoids and includes abdominal pain, flushing, and diarrhea, often becoming manifest only after a long asymptomatic period. Most patients present with low grade tumors. Occurrence of pulmonary carcinoids has also been reported.	preferido
A rare inherited cancer-predisposing syndrome characterized by skin lesions, kidney tumors, and pulmonary cysts that may be associated with pneumothorax. The kidney tumors range from benign oncocytomas to malignant renal cell carcinomas including chromophobe, clear cell or papillary subtypes. Fibrofolliculomas are characterized by a circumscribed proliferation of collagen and fibroblasts surrounding distorted hair follicles from which basaloid cells protrude into the surrounding fibromucinous stroma. Other characteristic skin anomalies are trichodiscomas and acrochordons. Dermatological manifestations usually develop in the third and fourth decades of life and persist indefinitely. The syndrome is transmitted in an autosomal dominant fashion.	preferido
A rare inherited cancer-predisposing syndrome characterized by the fulfilment of the Amsterdam criteria for hereditary nonpolyposis colorectal cancer (HNPCC) but without alterations, either somatic or germline, in the DNA mismatch repair (MMR) genes.	preferido
A rare inherited connective tissue disorder characterized by skin hyperextensibility, widened atrophic scars and generalized joint hypermobility. The disease is caused by heterozygous mutation in the collagen alpha-2(V) gene (COL5A2) on chromosome 2q31.	preferido
A rare inherited connective tissue disorder characterized by skin hyperextensibility, widened atrophic scars, and generalized joint hypermobility.	preferido
A rare inherited defect of the final step of aldosterone biosynthesis (conversion of deoxycorticosterone to aldosterone). It is due to mutations of the /CYP11B2/ (aldosterone synthase) gene and usually presents in infancy as a life-threatening electrolyte imbalance.	preferido
A rare inherited disorder due to the ectopic expression of the aldosterone synthase in the fascicular zone of the adrenal gland and marked with early severe hypertension (often occurring before the age of 20), biological signs of primary aldosteronism of variable intensity, and an abnormal elevated level of 18-oxo- and 18-hydroxycortisol.	preferido
A rare inherited disorder of leucine metabolism characterized by a highly variable clinical picture ranging from metabolic crisis in infancy to asymptomatic adults.	preferido
A rare inherited epidermolysis bullosa (EB) characterized by skin fragility and blistering at birth followed by development of photosensitivity and progressive poikilodermatous skin changes.	preferido
A rare inherited mitochondrial disease characterized by the clinical features of Leber hereditary optic neuropathy in combination with other systemic or neurological abnormalities. These abnormalities include postural tremor, motor disorder, multiple sclerosis-like syndrome, spinal cord disease, skeletal changes, Parkinsonism with dystonia, anarthria, motor and sensory peripheral neuropathy, spasticity, mild encephalopathy, and cardiac arrhythmias.	preferido
A rare inherited rheumatologic disease which causes calcification of articular fibrocartilage or hyaline cartilage, a process termed chondrocalcinosis (CC). It often associates with acute synovitis and osteoarthritis (OA).	preferido
A rare inherited skin cancer syndrome characterized by the coexistence of features typical of both multiple self-healing squamous epithelioma and generalized eruptive keratoacanthoma, such as multiple small miliary-type lesions, larger self-healing lesions, and nodulo-ulcerative lesions. Lesions do not have a predilection for the mucosal surfaces.	preferido
A rare intellectual disability syndrome characterized by intellectual deficit, marfanoid habitus, microcephaly, and glomerulonephritis. There have been no further reports since 1992.	preferido
A rare intermediate form of open dysraphism between myelomeningocele and saccular limited dorsal myeloschisis without fulfilling the characteristics of one of these two diagnosis, characterized by stretched neurulation of spinal cord attached at the dome of a sac. Partial cerebral signs of open dysraphism can be observed and the meningocele is usually poorly epithelialized.	preferido
A rare interstitial lung disease characterized by early-onset, severe, progressive lung disease manifesting by respiratory distress, neurological symptoms including axial hypotonia, developmental delay, irritability, dystonia, poor visual contact and seizures, and variable multisystemic involvement including malabsorption, progressive growth failure, recurrent infections, chronic hemolytic anemia and liver dysfunction. Kidney dysfunction, cardiac involvement including cardiomegaly and cardiac hypertrophy, decreased vision and strabismus have also been reported. Lung fibrosis may cause death in infancy from respiratory failure.	preferido
A rare intestinal disease characterized by congenital partial or complete lack of the collagen mesh network in the intestinal wall, resulting in hypoperistalsis or aperistalsis. The enteric nervous system is normal or near-normal in the affected areas, although hypo- and dysganglionosis may be found in some proximal segments of the colon and/or small bowel. Patients present with chronic intractable slow transit constipation.	preferido
A rare intestinal disease characterized by impaired absorption of starch and short polymers of glucose due to primary small intestinal glucoamylase deficiency. Patients present in infancy or early childhood with chronic diarrhea, abdominal distention, and bloating. Levels of pancreatic amylase are typically normal, and histopathological analysis shows normal morphology of the intestinal mucosa.	preferido
A rare intestinal disorder characterized by the inability to control the passage of rectal contents (feces, gas) through the anus following ileal pouch-anal anastomosis surgery. Fecal incontinence is usually more frequent during the night than during daytime. The condition generally worsens over time, with a significant negative impact on the quality of life of the patient.	preferido
A rare isolated constitutional thrombocytopenia characterized by abnormally large platelets.	preferido
A rare isolated constitutional thrombocytopenia characterized by neonatal onset of small-platelet thrombocytopenia with significantly increased bleeding tendency. Bleeding symptoms include petechial rash, mucosal bleeding, and heavy menstrual bleeding. Growth and development are normal, and there is no increased susceptibility to infections.	preferido
A rare isolated constitutional thrombocytopenia characterized by reduced platelet count and defective platelet ATP secretion, resulting in increased bleeding tendency. Clinical manifestations are easy bruising, gum bleeding, menorrhagia, spontaneous epistaxis, spontaneous muscle hematoma, and potential postpartum hemorrhage, among others.	preferido
A rare isolated diffuse palmoplantar keratoderma characterized by diffuse, homogeneous, mild to thick, brown-to-yellowish palmoplantar hyperkeratosis (sometimes spreading over the dorsal aspect of fingers). Skin biopsy shows non-epidermolytic changes. There are no changes in hair, teeth or nails, and no syndromic involvement of other organs.	preferido
A rare isolated dystonia characterized by segmental dystonia that predominantly affects the distal limbs and leads to abnormal posture. This disease has a progressive clinical course and may develop into generalized dystonia but remains mild overall.	preferido
A rare isolated hereditary giant platelet disorder characterized by severe thrombocytopenia and thrombopathy due to defects in proplatelet formation and platelet activation in homozygous patients. Clinical manifestation are recurrent bleeding episodes including epistaxis, spontaneous hematoma, and menorrhagia.	preferido
A rare junctional epidermolysis bullosa subtype characterised by late-onset blistering surrounded by erythema and localised on the anterior aspect of the lower legs, associated with dystrophic toenails, tooth enamel defects and mild to severe intellectual disability. Lens subluxation and mild facial dysmorphism (with short midface, prognathism and thin upper lip vermilion) are additional reported features. There have been no further descriptions in the literature since 1992.	preferido
A rare juvenile idiopathic inflammatory myopathy characterized by the association of inflammatory myositis (manifesting with acral erythema, progressive weakness of the limbs, pain, general fatigue, moodiness or crankiness) with clinical and/or laboratory features of other autoimmune diseases (e.g. systemic lupus erythematosus, localized scleroderma, diabetes). Cardiac involvement has been reported in some patients.	preferido
A rare late-onset neurodegenerative disease characterized by ocular motor dysfunction, postural instability, akinesia-rigidity, and cognitive dysfunction.	preferido
A rare lethal bone dysplasia characterized at birth by low birth weight, a rhizomelic dwarfism, bent femora and short chest producing asphyxia. The initial cases could have been diagnosed as Desbuquois syndrome, or a recessive Larsen syndrome. There has been no further description in the literature since 1988.	preferido
A rare lethal combination of manifestations including short stature, congenital cataracts, encephalopathy with epileptic fits, and postmortem confirmation of nephropathy (renal tubular necrosis). There have been no further descriptions in the literature since 1963.	preferido
A rare lethal multiple congenital anomalies/dysmorphic syndrome characterized by the association of fetal akinesia sequence, bilateral microphthalmia, microtia, and persistent truncus arteriosus. Additional dysmorphic features include prominent forehead, small nose, micrognathia, as well as camptodactyly and symphalangism. Contractures of large joints and micropenis have also been reported.	preferido
A rare leukodystrophy characterized by a spectrum of progressive neurologic manifestations comprising rapidly progressive early-onset nystagmus, spastic tetraplegia, and visual and hearing impairment, resulting in death in early childhood, as well as later onset of slowly progressive complex spastic ataxia with pyramidal and cerebellar symptoms and loss of developmental milestones. Brain imaging shows diffuse hypomyelination of the subcortical and deep white matter, cerebellar atrophy, and diffuse spinal cord volume loss.	preferido
A rare leukodystrophy characterized by congenital thickened, wrinkled skin showing loss of elasticity, in combination with childhood onset of rapidly progressive generalized cognitive and motor impairment quickly resulting in a vegetative state and early death. Neuropathologic examination reveals neuroaxonal leukodystrophy with numerous neuroaxonal spheroids and diffuse loss of axons and myelin sheaths.	preferido
A rare leukodystrophy characterized by infantile onset of lower limb spasticity and severe developmental delay associated with delayed myelination and periventricular white matter abnormalities. Other reported signs and symptoms include microcephaly, optic atrophy, nystagmus, ataxia, or seizures.	preferido
A rare leukoencephalopathy characterized by acute episodes of neurological deficit (ataxia, dysarthria, seizures) with irritability and opisthotonus followed by either steady deterioration or alternating periods of rapid progression and prolonged periods of stability.	preferido
A rare life threatening disorder characterized by infection of the submucosal and muscular layers of the gastrointestinal tract.	preferido
A rare limbic encephalitis characterized by the presence of autoantibodies against NMDA receptors in serum and cerebrospinal fluid. It may be of paraneoplastic (most commonly associated with ovarian teratoma) or non-paraneoplastic origin and is life-threatening but potentially treatable. Patients present with acute behavioral change, psychosis, and catatonia, rapidly progressing to seizures, memory deficit, dyskinesias, speech problems, and autonomic and breathing dysregulation.	preferido
A rare localized lipodystrophy characterized by the appearance of asymptomatic, well-demarcated, variably sized, depressed, lipoatrophic lesions secondary to subcutaneous, intradermic or intramuscular drug injection, including corticosteroids, insulin, human growth hormone and antibiotics. Skin coloration may vary from white or hypopigmented to reddish, pinkish or violaceous. Epidermal atrophy may be also present.	preferido
A rare lymphatic system anomaly characterized by multifocal congenital and progressive vascular lesions of the skin, gastrointestinal tract, and occasionally other anatomic sites, causing potentially life-threatening thrombocytopenic coagulopathy. Macroscopically, the lesions appear as round to oval, red-brown plaques, as large as a few centimeters in diameter. Histopathologically, they consist of dilated, thin-walled vessels with variable endothelial hyperplasia, positive for lymphatic endothelial cell markers, and resembling benign lymphangioendothelioma.	preferido
A rare lymphoma characterized by the concurrent occurrence of two or more histologic types of lymphoma involving the same anatomic site. Composite lymphomas can be combinations of two non-Hodgkin lymphomas or of a non-Hodgkin and a Hodgkin lymphoma. In many cases, the tumors are clonally related. Clinical presentation and treatment are determined by the more aggressive component.	preferido
A rare lysosomal storage disease characterized by lysosomal accumulation of glycogen particularly in skeletal, cardiac, and respiratory muscles, as well as the liver and nervous system, due to acid maltase deficiency. The clinical spectrum comprises infantile-onset disease with severe hypertrophic cardiomyopathy, generalized muscle weakness, poor feeding and failure to thrive, and respiratory insufficiency, and late-onset disease manifesting before or after twelve months of age without cardiomyopathy, with proximal muscle weakness and respiratory insufficiency.	preferido
A rare lysosomal storage disease characterized clinically by severe global development delay due to neuronal dysmyelination, hypotonia which gradually progresses to spasticity during childhood, speech deficits, progressive visual impairment (due to corneal clouding, retinal degeneration and optic atrophy), achlorhydria, with increased gastrin secretion and iron deficiency anemia, and kidney disease and failure, all in the absence of dysmorphic features.	preferido
A rare macular disorder characterized mostly by a variable degree of decreased visual acuity, jerk or pendular nystagmus, and typical ocular findings at imaging. The disease is usually bilateral. Rarely, nystagmus can be absent. Locally, the disease is characterized by underdeveloped foveal pit, absence of foveal pigmentation and/or foveal avascular zone, and persistence of inner retinal layers at the fovea, in absence of concomitant ocular or systemic pathology.	preferido
A rare malformation disorder characterized by sagittal craniosynostosis, Dandy-Walker malformation, hydrocephalus, craniofacial dysmorphism (including dolichocephaly, hypertelorism, micrognathia, positional ear deformity) and variable developmental delay.	preferido
A rare malformation syndrome characterized by generalized multiple steatocystomas and natal teeth.	preferido
A rare malformation syndrome characterized by the association of toe syndactyly, facial dysmorphism including telecanthus (abnormal distance between the eyes) and a broad nasal tip, urogenital malformations and anal atresia.	preferido
A rare malformation syndrome that is characterized by short stature, hypoplastic fifth digits with tiny dysplastic nails, facial dysmorphism with coarse features including a wide mouth and broad nose, and mild intellectual disability. It has been suggested that Coffin-Siris syndrome and BOD syndrome are perhaps allelic variants.	preferido

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Reference Sets

Latin American Spanish language reference set

Chile language reference set (foundation metadata concept)

conjunto de referencias descriptivas de la estructura de otros conjuntos de referencias

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Id	Description	Lang	Type	Status	Case?	Module
2911457018	conjunto de referencias de idioma inglés de acuerdo con la ortografía de Estados Unidos de Norteamérica	es	sinónimo (metadato del núcleo)	Active	letras mayúsculas y minúsculas relevantes en todo el término (metadato del núcleo)	Latin American Spanish extension module
2911675011	conjunto de referencias de idioma inglés de acuerdo con la ortografía de Estados Unidos de Norteamérica (metadato fundacional)	es	descripción completa	Active	letras mayúsculas y minúsculas relevantes en todo el término (metadato del núcleo)	Latin American Spanish extension module
2911702016	inglés estadounidense	es	sinónimo (metadato del núcleo)	Active	uso de mayúsculas y minúsculas sin relevancia para la totalidad del término (metadato del núcleo)	Latin American Spanish extension module
900000000001115012	United States of America English language reference set	en	sinónimo (metadato del núcleo)	Active	letras mayúsculas y minúsculas relevantes en todo el término (metadato del núcleo)	módulo identificador para componentes del modelo de SNOMED CT (metadato del núcleo)
900000000001116013	US English	en	sinónimo (metadato del núcleo)	Active	letras mayúsculas y minúsculas relevantes en todo el término (metadato del núcleo)	módulo identificador para componentes del modelo de SNOMED CT (metadato del núcleo)
900000000001117016	United States of America English language reference set (foundation metadata concept)	en	descripción completa	Active	letras mayúsculas y minúsculas relevantes en todo el término (metadato del núcleo)	módulo identificador para componentes del modelo de SNOMED CT (metadato del núcleo)