| HSM Syndrome | juvenile-familial Endocrinopathy Hypoparathyroidism Addison's Disease Menillansis |
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| LCP Disease | Legg-Calve-Perthes Disease ? Stages of LCP Disease(= Juvenile Idiopathic AVN) &nb... |
| DJOA | dominant juvenile optic atrophy |
| FJN | familial juvenile nephrophthisis |
| JA | judgment analysis; juvenile atrophy; juxta-articular |
| juvenile hyalin fibromatosis | A rare recessively inherited deforming disorder of head, neck, and generalised cutaneous nodules or tumours in children with normal mentality; the lesions consist of fibroblasts separated by an eosinophilic hyalin stroma composed mostly of glycosaminoglycans. Synonym: systemic hyalinosis. (05 Mar 2000) |
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| juvenile kyphosis | Osteochondrosis of the vertebral epiphyses in children. (12 Dec 1998) |
| juvenile muscular atrophy | Slowly progressive proximal muscular weakness and wasting, beginning in childhood, caused by degeneration of motor neurons in the anterior horns of the spinal cord; onset usually between 2 and 17 years of age; usually autosomal recessive inheritance. Synonym: juvenile muscular atrophy, Kugelberg-Welander disease, Wohlfart-Kugelberg-Welander disease. (05 Mar 2000) |
| juvenile myoclonic epilepsy | An epilepsy syndrome typically beginning in early adolescence, and characterised by early morning myoclonic jerks that may progress into a generalised tonic-clonic seizure. A genetic disorder: some families have had gene linkage to chromosome-6. The EEG is characterised by generalised polyspike and wave discharges at 4-6 Hz. (05 Mar 2000) |
| juvenile onset diabetes | A form of diabetes which has its onset in childhood. Also referred to as type I diabetes, juvenile onset diabetes or insulin-dependent diabetes. The exact cause is unknown but genetic factors seem to play a major role. Symptoms include excessive thirst, increased urination, weight loss (despite increased appetite), nausea, vomiting, fatigue and absent menstruation. Treatment includes education and regular insulin therapy. See: insulin-dependent diabetes mellitus (22 Sep 2002) |
| juvenile palmo-plantar fibromatosis | Fibromatosis that occurs in children from birth to adolescence as a single poorly demarcated nodule of the thenar or hypothenar eminence or overlying the calcaneus of the mid-sole. (05 Mar 2000) |
| juvenile papillomatosis | A form of fibrocystic disease of the breast in young women, with florid and sclerosing adenosis that microscopically may suggest carcinoma. (05 Mar 2000) |
| juvenile pattern | A precordial T-wave inversion, sometimes with J-ST elevations in an electrocardiogram, resembling that seen in normal children, which occurs as a normal variant in some adults, especially blacks, and especially in leads V1, V2, and V3. (05 Mar 2000) |
| juvenile pelvis | A pelvis justo minor in which the bones are slender. (05 Mar 2000) |
| juvenile periodontitis | A degenerative periodontal disease of adolescents in which the periodontal destruction is out of proportion to the local irritating factors present on the adjacent teeth; inflammatory changes become superimposed, and bone loss, migration, and extrusion are observed. Two forms are recognised: 1) localised, in which the destruction is limited to the incisors and first molars; 2) generalised, involving all of the teeth. Synonym: periodontosis. (05 Mar 2000) |
| juvenile polyp | A smoothly rounded mucosal hamartoma of the large bowel, which may be multiple and cause rectal bleeding, especially in the first decade of life; it is not precancerous. Synonym: retention polyp. (05 Mar 2000) |
| juvenile polyposis coli | <radiology> Benign polyposis, inheritance uncertain, inflammatory or retention polyps: round, smooth, soft, mucin-filled, non-neoplastic, onset less than 10 yrs, polyps can prolapse through anus, associated with diarrhoea, protein loss see: polyposis syndromes, Cronkhite-Canada syndrome (12 Dec 1998) |
| juvenile retinoschisis | Retinoschisis occurring before 10 years of age and within the nerve-fibre layer, with frequent macular involvement; at first, the inner wall is a translucent veil-like membrane, but it becomes more dense and may render the retina white; autosomal recessive inheritance. There is a form of this condition in middle age that is X-linked and a rare autosomal dominant form. (05 Mar 2000) |
| juvenile spinal muscular atrophy | Slowly progressive proximal muscular weakness and wasting, beginning in childhood, caused by degeneration of motor neurons in the anterior horns of the spinal cord; onset usually between 2 and 17 years of age; usually autosomal recessive inheritance. Synonym: juvenile muscular atrophy, Kugelberg-Welander disease, Wohlfart-Kugelberg-Welander disease. (05 Mar 2000) |
| juvenile xanthogranuloma | Single or multiple reddish to yellow papules or nodules, usually found in young children, consisting of dermal infiltration by histiocytes and Touton giant cells, with increasing fibrosis. Synonym: nevoxanthoendothelioma. (05 Mar 2000) |