| IAFI | infantile amaurotic familial idiocy |
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| IBSN | infantile bilateral striated necrosis |
| ICP | incubation period; indwelling catheter program; infantile cerebral palsy; infection-control practiti... |
| IDBS | infantile diffuse brain sclerosis |
| IGA | infantile genetic agranulocytosis |
| progressive infantile spinal muscular atrophy | Transmitted as autosomal recessive on chromosome 5q. Progressive dysfunction of the anterior horn cells in the spinal cord and brainstem cranial nerves with profound weakness and bulbar dysfunction occurring in the first two years of life. Three groups, based on age of clinical onset, are recognised. Synonym: familial spinal muscular atrophy, Hoffmann's muscular atrophy, infantile muscular atrophy, infantile progressive spinal muscular atrophy, progressive infantile spinal muscular atrophy, Werdnig-Hoffmann disease, Werdnig-Hoffmann muscular atrophy. (05 Mar 2000) |
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| spasms, infantile | Primary generalised epileptic seizures occurring in infants between birth and twelve months of age consisting of brief synchronous contractions of the neck, torso, and both arms. These seizures often occur in infants with underlying neurologic diseases. The prognosis for these infants is grave, with approximately ninety percent developing mental retardation in addition to their seizures. The eeg has a typical hypsarrhythmia pattern. The spasms and hypsarrhythmia have a tendency to disappear over the first three to five years of life, only to be replaced by other forms of generalised seizures. Infantile spasms sometimes respond to valproic acid or acth. (12 Dec 1998) |
| supravalvar aortic stenosis-infantile hypercalcaemia syndrome | <syndrome> Supravalvar aortic stenosis associated with elfin facies, mental retardation, and hypercalcaemia; usually sporadic; perhaps an irregular dominant trait. (05 Mar 2000) |
| diffuse infantile familial sclerosis | <radiology> Dysmyelinating disease, autosomal recessive, usually presents by 1 yr, specific enzyme deficiency identified, rapid spontaneous nystagmus, poikilothermia Synonym: Krabbe leukodystrophy (12 Dec 1998) |
| infantile | Pertaining to an infant or to infancy. Origin: L. Infantilis (18 Nov 1997) |
| infantile acute haemorrhagic oedema of the skin | A generally benign form of cutaneous vasculitis, characterised by ecchymotic purpura, often in a cockade pattern, and inflammatory oedema in infants. (05 Mar 2000) |
| infantile autism | A severe emotional disturbance of childhood characterised by qualitative impairment in reciprocal social interaction and in communication, language, and social development. Synonym: autistic disorder, childhood schizophrenia, early infantile autism, Kanner's syndrome. (05 Mar 2000) |
| infantile beriberi | Beriberi appearing in a breast-fed infants whose mother has beriberi due to thiamin deficiency. It is mainly the "wet" form of beriberi, characterised by heart failure with marked peripheral oedema (which is otherwise unusual in heart failure in infancy). An often fatal disease, acute in onset, which was formerly common in the Far Eastern countries where rice is consumed; reversible with thiamin. (05 Mar 2000) |
| infantile brain tumours | <radiology> Can be present at birth: choroid plexus papilloma, medulloblastoma, craniopharyngioma, ependymoma, astrocytoma, teratoma (12 Dec 1998) |
| infantile cataract | A cataract affecting a very young child. (05 Mar 2000) |
| infantile coeliac disease | Gluten-sensitive enteropathy appearing in infancy, often before the age of 9 months and characterised by acute onset, diarrhoea, abdominal pain, and "failure to thrive." (05 Mar 2000) |
| infantile colic | Episodes of abdominal pain due to abnormal muscular contraction of the intestine in infants. (05 Mar 2000) |
| infantile convulsion | Any convulsion occurring in infancy (0 to 2 years of age). (05 Mar 2000) |
| infantile cortical hyperostosis | Neonatal subperiosteal bone formation over many bones, especially the mandible and clavicles and the shafts of long bones; it follows fever, usually appearing before 6 months of age and disappearing during childhood. Synonym: Caffey's disease, Caffey's syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |
| infantile digital fibromatosis | Multiple fibrous flesh-coloured nodules on the extensor aspect of the terminal phalanges of adjacent digits of infants and young children which often recur after attempted excision, do not metastasize, and may spontaneously regress in two to three years; composed of spindle cells containing cytoplasmic inclusions believed to be derived from myofibrils. Synonym: infantile digital fibromatosis. (05 Mar 2000) |