| erythema nodosum | <dermatology> A disorder characterised by the formation of tender, red nodules on the front of the legs. Erythema nodosum primarily affects women and has been associated with certain infections: coccidiomycosis, fungal infections, tuberculosis, hepatitis B and syphilis. A sensitivity to a particular drug (for example penicillin, progestin, birth control pills) may also manifest this disorder. Other disorders and conditions that have been associated with erythema nodosum include: leukaemia, sarcoidosis, rheumatic fever, ulcerative colitis and pregnancy. (27 Sep 1997) |
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| erythema nodosum leprosum | An acute type of lepromatous reaction with generalised systemic involvement and tender deep cutaneous and subcutaneous nodules of the face, thighs, and arms; usually seen in undiagnosed, untreated, or neglected cases of leprosy. (05 Mar 2000) |
| erythema nodosum migrans | subacute migratory panniculitis |
| amnion nodosum | Nodules in the amnion that consist of typical stratified squamous epithelium. Synonym: squamous metaplasia of amnion. (05 Mar 2000) |
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| acrodynic erythema | Pain in the extremities. (12 Dec 1998) |
| macular erythema | <paediatrics> Also called baby measles. This is a nonserious but common childhood viral infection that starts with a high fever and swollen lymph glands. After 24 hours, the fever breaks and the child develops a red rash on the neck and trunk. (27 Sep 1997) |
| Milian's erythema | An obsolete term for a nontoxic eruption that simulates measles or a toxic erythema, occurring usually on the ninth day of a course of medication; first described as a reaction to arsenical treatment of syphilis. Synonym: Milian's disease, Milian's erythema. (05 Mar 2000) |
| cold erythema | Rash characterised by redness and itching, brought on by exposure to cold. (05 Mar 2000) |
| wheal-and-erythema reaction | The characteristic immediate reaction observed in the skin test; within 10 to 15 minutes after injection of antigen (allergen), an irregular, blanched, elevated wheal appears, surrounded by an area of erythema (flare). Synonym: wheal-and-flare reaction. (05 Mar 2000) |
| haemorrhagic exudative erythema | <dermatology> This relatively rare disorder is characterised by skin purpura, joint pains, abdominal pain and renal disease (glomerulonephritis). Although Henoch-Schonlein purpura or anaphylactoid purpura, is thought to be a immune complex mediated disease, its exact cause is unknown. Its typical benign coarse can, however, include renal failure. (27 Sep 1997) |
| scarlatiniform erythema | Erythema scarlatinoides, an erythematous macular eruption accompanied by slight constitutional symptoms and followed by desquamation. (05 Mar 2000) |
| necrolytic migratory erythema | An erythematous, scaling, and sometimes bullous and erosive dermatitis occurring irregularly in plaques chiefly on the lower trunk, buttocks, perineum, and thighs; associated with weight loss, anaemia, stomatitis, and elevation of plasma glucagon in islet cell tumour (glucagonoma) of the pancreas. See: glucagonoma syndrome. (05 Mar 2000) |
| ninth-day erythema | An obsolete term for a nontoxic eruption that simulates measles or a toxic erythema, occurring usually on the ninth day of a course of medication; first described as a reaction to arsenical treatment of syphilis. Synonym: Milian's disease, Milian's erythema. (05 Mar 2000) |
| symptomatic erythema | A general term applied to various erythema's associated with systemic disease, fevers, allergic states, etc. (05 Mar 2000) |
| erythema | <dermatology> A name applied to redness of the skin produced by congestion of the capillaries, which may result from a variety of causes, the aetiology or a specific type of lesion often being indicated by a modifying term. (18 Nov 1997) |
| erythema ab igne | A reticulated, pigmented, macular eruption that occurs, mostly on the shins, of bakers, stokers, and others exposed to radiant heat. Synonym: erythema ab igne, toasted shins. (05 Mar 2000) |
| erythema annulare | Rounded or ringed lesions. (05 Mar 2000) |
| erythema annulare centrifugum | A chronic recurring erythematous eruption consisting of small and large annular lesions, with a scant marginal scale, usually of unknown cause. Synonym: erythema figuratum perstans. (05 Mar 2000) |