| dermatitis nodularis necrotica | A recurrent eruption of vesicles, papules, and papulonecrotic lesions on the buttocks and extensor surfaces of the extremities, accompanied by fever, sore throat, diarrhoea, and eosinophilia; probably a variant of vasculitis, it can be of varying and increasing severity and duration, and can occasionally involve the heart, kidneys, and gastrointestinal tract. Synonym: Werther's disease. (05 Mar 2000) |
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| acne necrotica | A pyogenic infection involving follicles occurring chiefly on the forehead and temples; involution of the umbilicated and crusting lesions is followed by scar formation. Synonym: acne frontalis, acne necrotica. (05 Mar 2000) |
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| periadenitis mucosa necrotica recurrens | A severe form of aphthae characterised by unusually numerous, large, deep, and frequent ulcers; healing may take as long as six weeks and results in scarring. Synonym: Mikulicz' aphthae, periadenitis mucosa necrotica recurrens, recurrent scarring aphthae, Sutton's disease. (05 Mar 2000) |
| chondrodermatitis nodularis chronica helicis | A benign, chronic, small, painful nodule (or nodules) on the helix of the ear in elderly white males, which may occasionally become ulcerated. Synonym: Winkler's disease. (05 Mar 2000) |
| prurigo nodularis | An eruption of hard nodules (Picker's nodules) in the skin caused by rubbing and accompanied by intense itching. Synonym: Hyde's disease. (05 Mar 2000) |
| trichomycosis nodularis | Corynebacterium infection of axillary and pubic hairs with development of yellow (flava), black (nigra), or red (rubra) concretions around the hair shafts; frequently asymptomatic. Synonym: lepothrix, Paxton's disease, trichomycosis chromatica, trichomycosis nodosa, trichomycosis nodularis, trichomycosis palmellina, trichonocardiosis axillaris, trichonodosis. (05 Mar 2000) |
| actinic dermatitis | Dermatitis caused or elicited by exposure to sunlight; may be phototoxic or photoallergic, and can result from topical application, ingestion, inhalation, or injection of mediating phototoxic or photoallergic material. See: photosensitization. Synonym: actinic dermatitis, actinodermatitis. Origin: photo-+ G. Derma, skin, + -itis, inflammation (05 Mar 2000) |
| allergic contact dermatitis | A delayed type IV allergic reaction of the skin with varying degrees of erythema, oedema, and vesiculation resulting from cutaneous contact with a specific allergen. Synonym: contact allergy. (05 Mar 2000) |
| ancylostoma dermatitis | 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) |
| atopic dermatitis | <dermatology> A type of immune-mediated (allergic) inflammatory skin disorder that results in a itchy rash. See: atopic eczema. (27 Sep 1997) |
| berloque dermatitis | Berlock dermatitis, a type of photosensitization resulting in deep brown pigmentation on exposure to sunlight after application of bergamot oil and other essential oils in perfume. (05 Mar 2000) |
| blastomycetic dermatitis | A cutaneous form of blastomycosis. (05 Mar 2000) |
| bubble gum dermatitis | Allergic contact dermatitis developing about the lips in children who chew bubble gum; caused by plastics in the gum substance. (05 Mar 2000) |
| papular dermatitis of pregnancy | Intensely pruritic papular eruption of torso and extremities occurring throughout pregnancy, with no systemic toxicity; may be similar to pruritic urticarial papules and plaques of pregnancy. (05 Mar 2000) |
| mango dermatitis | A perioral dermatitis resulting from a sensitization reaction to the resinous coating on the peel of the mango fruit. (05 Mar 2000) |
| rat mite dermatitis | An eruption of wheals, papules, or vesicles caused by the rat mite. (05 Mar 2000) |