| giant osteoid osteoma | A benign, painful, tumour of bone characterised by the formation of osteoid tissue, primitive bone and calcified tissue. It occurs frequently in the spine of young persons. (12 Dec 1998) |
|---|---|
| osteoid osteoma | <radiology> M more than F, 15 - 30 years of age, lucent nidus with thickened cortex, metaphyseal, femur, talus, tibia, patella, rarely spine, never skull or clavicle, pain at night, relievey be inflammatory rather than neoplastic, treatment: leave it (disappears in 4-6 yrs), or remove nidus, Differential diagnosis: TB abscess, chronic osteo (Brodie abscess), sclerosing osteomyelitis of Garre (12 Dec 1998) |
| osteoma | <oncology, tumour> Benign tumour of bone. (18 Nov 1997) |
| osteoma medullare | An osteoma containing spaces that are filled (or partly filled) with various elements of bone marrow. Osteoid osteoma, a painful benign neoplasm that usually originates in one of the bones of the lower extremities, especially the femur or tibia of adolescent and young adult persons; characterised by a nidus (usually no larger than 1 cm in diameter) that consists of osteoid material, vascularised osteogenic stroma, and poorly formed bone; around the nidus there is a relatively large zone of reactive thickening of the cortex. Osteoma spongiosum, an osteoma that consists chiefly of cancellous bone tissue. (05 Mar 2000) |
| osteoma, osteoid | Benign circumscribed tumour of spongy bone occurring especially in the bones of the extremities and vertebrae, most often in young persons. (12 Dec 1998) |
| fibro-osteoma | <tumour> An osteoma in which the neoplastic bone-forming cells are situated within a relatively abundant stroma of fibrous tissue. (05 Mar 2000) |
| amoebiasis cutis | Cutaneous amoebiasis, appearing usually as an extension of underlying infection (e.g., anus or colostomy site or over a liver abscess). (05 Mar 2000) |
| amyloidosis cutis | Localised cutaneous amyloidosis with pruritic brownish-red papules, most commonly on the lower legs, due to amyloid infiltration of the papillary dermis. Synonym: amyloidosis cutis, lichen amyloidosis. Origin: G. Leichen, lichen, a lichen-like eruption + eidos, resemblance (05 Mar 2000) |
| ancylostomiasis cutis | Cutaneous larva migrans caused by larvae of hookworms. Synonym: ancylostoma dermatitis, ancylostomiasis cutis, coolie itch, dew itch, ground itch, swamp itch, swimmer's itch, toe itch, water itch, water sore. (05 Mar 2000) |
| aplasia cutis congenita | Congenital absence or deficiency of a localised area of skin, with the base of the defect covered by a thin translucent membrane; most often a single area near the vertex of the scalp, but may occur in other areas; underlying structures may also be affected; autosomal inheritance, either dominant or recessive. (05 Mar 2000) |
| asteatosis cutis | Dry, scaly integument with decrease in sebaceous secretion. (05 Mar 2000) |
| atrophia cutis | Atrophy of the skin that may occur either in discrete localised areas or in widespread areas. See: anetoderma. Synonym: atrophia cutis. (05 Mar 2000) |
| atrophia maculosa varioliformis cutis | Atrophoderma in which the skin becomes bag like and wrinkled. Synonym: atrophia maculosa varioliformis cutis, atrophoderma maculatum, macular atrophy, primary idiopathic macular atrophy, primary macular atrophy of skin. Origin: G. Anetos, relaxed, + derma, skin (05 Mar 2000) |
| aurantiasis cutis | An obsolete term for carotenosis cutis. Origin: L. Aurantium, orange, + G. -iasis, condition; cutis, skin (05 Mar 2000) |
| benign lymphocytoma cutis | A soft red to violaceous skin nodule often involving the head, caused by dense infiltration of the dermis by lymphocytes and histiocytes, often forming lymphoid follicles, separated from the epidermis by a narrow noninfiltrating layer. Synonym: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. (05 Mar 2000) |