| acrodermatitis chronica atrophicans | A gradually progressive late skin manifestation of Lyme disease, appearing first on the feet, hands, elbows or knees, and comprised of indurated, erythematous plaques that become atrophic, giving a tissue-paper appearance of the involved sites. The disease is caused by Borrelia spirochetes, commonly transmitted by the Ixodes ricinus wood tick. (05 Mar 2000) |
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| poikiloderma atrophicans and cataract | The rothmund-thomson syndrome, a genetic disorder with numerous features affecting skin (premature aging, excess pigmentation, dilated blood vessels),eyes ( uvenile cataract), nose (saddle nose), teeth (maldeveloped), skeletal system (congenital bone defects) hair (abnormal), gonads (underdevelopment) limbs (soft tissue contractures), growth (short stature). Blood (anaemia) and a tendency to develop a type of bone cancer (osteogenic sarcoma). The rts gene is on chromosome 8. The syndrome is recessive so to be affected with rts a child has to have two rts genes, one from each parent. (12 Dec 1998) |
| poikiloderma atrophicans vasculare | A rare condition that simulates chronic radiodermatitis in appearance; may eventuate as mycosis fungoides. Synonym: parakeratosis variegata, parapsoriasis lichenoides. Poikiloderma of Civatte, reticulated pigmentation and telangiectasia of the sides of the cheeks and neck; common in middle-aged women. Synonym: Civatte's disease. (05 Mar 2000) |
| dermatitis atrophicans | A diffuse idiopathic atrophy of the skin involving the appendages. (05 Mar 2000) |
| keratosis pilaris atrophicans faciei | Erythema and horny plugs of outer portions of the eyebrows with destruction of follicles; onset in early infancy. (05 Mar 2000) |
| lichen planus et acuminatus atrophicans | Follicular hyperkeratosis of the scalp with lymphocytic perifolliculitis and lichen planus elsewhere. Synonym: Graham Little syndrome, lichen planus et acuminatus atrophicans. (05 Mar 2000) |
| alopecia | 1. <dermatology> Baldness, absence of the hair from skin areas where it normally is present. 2. <oncology> Hair loss as a result of chemotherapy or radiation therapy administered to the head. Hair loss from chemotherapy is temporary. Hair loss from radiation is usually permanent. Origin: Gr. Alepekia = a disease in which the hair falls out (14 May 1997) |
| alopecia adnata | Underdevelopment of the lashes. See: alopecia congenitalis. Synonym: madarosis. (05 Mar 2000) |
| alopecia areata | <dermatology> A patchy baldness usually of a temporary nature. Cause unknown but anxiety and stress are common precipitating factors. (27 Sep 1997) |
| alopecia cicatrisata | Synonym: scarring alopecia. Origin: L. Cicatrix, cicatricis, scar + suffix -al, characterised by (05 Mar 2000) |
| alopecia congenitalis | Absence of all hair at birth, associated with psychomotor epilepsy; autosomal dominant inheritance. Synonym: congenital baldness, hypotrichiasis. (05 Mar 2000) |
| alopecia disseminata | Loss of hair from all parts of the body. (05 Mar 2000) |
| alopecia leprotica | Thinning or total loss of the lateral third of the eyebrows, eyelashes, and body hairs, seen in leprosy; loss of scalp hair is rare. (05 Mar 2000) |
| alopecia marginalis | Hair loss at the hair line, a condition most commonly seen in blacks; commonly transient and caused by chronic traction, although long-continued traction may cause permanent alopecia. Synonym: alopecia liminaris frontalis. (05 Mar 2000) |
| alopecia medicamentosa | Diffuse hair loss, most notably of the scalp, caused by administration of various types of drugs. (05 Mar 2000) |