| ¿µ¹® | actinic keratosis | ÇÑ±Û | ±¤¼±°¢ÈÁß |
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| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
|---|---|
| DSAP | disseminated superficial actinic porokeratosis |
| PD/AR | photosensitivity dermatitis and actinic reticuloid syndrome |
| EPF | Eosinophilic pustular folliculitis |
|---|---|
| AK | Actinic keratoses |
| AKs | Actinic keratoses |
| AP | Actinic prurigo |
| CAD | Chronic actinic dermatitis |
| actinic | Relating to the chemically active rays of the electromagnetic spectrum. Origin: G. Aktis (aktin-), a ray (05 Mar 2000) |
|---|---|
| actinic cheilitis | Mucosal atrophy with drying, crusting, and fissuring of the vermillion border of the lower lip in older individuals, resulting from chronic exposure to sunlight; dysplastic (premalignant) changes are noted microscopically, analogous to solar keratosis. Synonym: actinic cheilitis. (05 Mar 2000) |
| actinic conjunctivitis | Acute keratoconjunctivitis resulting from exposure to intense ultraviolet irradiation. Synonym: actinic conjunctivitis, arc-flash conjunctivitis, flash keratoconjunctivitis, ophthalmia nivalis, snow conjunctivitis, welder's conjunctivitis. (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) |
| actinic granuloma | An annular eruption on sun-exposed skin which microscopically shows phagocytosis of dermal elastic fibres by giant cells and histiocytes. Synonym: Miescher's granuloma. (05 Mar 2000) |
| actinic keratitis | A reaction of the cornea to ultraviolet light. (05 Mar 2000) |
| actinic keratosis | <dermatology> A skin lesion that is abnormally sensitive to the effects of ultraviolet light (sunlight). Thought to be a precancerous skin lesion that is more common in the fair-skinned or elderly individual. Approximately 20% of these skin lesions will develop into squamous cell carcinoma. Prevention includes the use of sun screen agents and the avoidance of drugs (for example tetracyclines) known to cause photosensitivity reactions. Usually a discreet slightly raised, red or pink lesion located on a sun exposed surface. Texture may appear as rough, gritty or scaly. Growths may be biopsied to look for cancer or removed via cryotherapy or electrical cautery. Some topical agents may be used to promote peeling. (27 Sep 1997) |
| actinic prurigo | A form recurring each summer, becoming very severe as long as the hot weather continues. Synonym: actinic prurigo, summer prurigo. (05 Mar 2000) |
| actinic ray | A light ray toward and beyond the violet end of the spectrum that acts upon a photographic plate and produces other chemical effects. Synonym: chemical ray. (05 Mar 2000) |
| actinic reticuloid | Chronic pruritic erythema beginning on sun-exposed areas in elderly males, with marked thickening and ridging of exposed skin simulating lymphoma; there is infiltration by atypical CD8-positive T lymphocytes. Occurs after several years. (05 Mar 2000) |
| perforating folliculitis | Erythematous papules with a central keratin plug which are scattered on the arms, thighs, and buttocks; seen especially in diabetics on haemodialysis. See: hyperkeratosis follicularis et parafollicularis. (05 Mar 2000) |
| eosinophilic pustular folliculitis | A dermatosis characterised by sterile pruritic papules and pustules that coalesce to form plaques with papulovesicular borders; spontaneous exacerbations and remissions may be accompanied by peripheral leukocytosis, eosinophilia, or both, and may result in eventual destruction of hair follicles and formation of eosinophilic abscesses. The disease has been reported in AIDS, and a possibly separate form of eosinophilic pustular folliculitis occurs in infants. Synonym: Ofuji's disease. (05 Mar 2000) |
| eosinophillic folliculitis | <pathology> An inflammatory reaction around hair follicles, characterised by very itchy papules that may grow together to form plaques. The cause of this condition in people with AIDS has yet to be established, although the condition obviously involves invasion of the follicles by eosinophils. Partially successful treatment has been reported with ultraviolet light, steroids, antihistamines and itraconazole. (09 Oct 1997) |
| folliculitis | <dermatology> Inflammation of a follicle or follicles, used ordinarily in reference to hair follicles, but sometimes in relation to follicles of other kinds. (12 Nov 1997) |
| folliculitis abscedens et suffodiens | A chronic progressive follicular-pustular eruption in the scalp. (05 Mar 2000) |
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