acne keloid

acne /ac·ne/ (ak´ne) an inflammatory disease of the skin; often specifically, acne vulgaris.

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bromide acne  an acneiform eruption without comedones, one of the most constant symptoms of brominism.

common acne  a. vulgaris.

acne congloba´ta , conglobate acne severe acne with many comedones, marked by suppuration, cysts, sinuses, and scarring.

acne cosme´tica  a persistent, low-grade acne usually affecting the chin and cheeks of a woman who uses cosmetics.

acne deter´gicans  aggravation of existing acne lesions by too frequent and too severe washing with comedogenic soaps and rough cloths or pads.

acne ful´minans  a rare form affecting teenage males, marked by sudden onset of fever and eruption of highly inflammatory, tender, ulcerative, and crusted lesions on the back, chest, and face.

halogen acne  an acneiform eruption from ingestion of the simple salts of bromine and iodine present in cold remedies, sedatives, analgesics, and vitamins.

acne indura´ta  a progression of papular acne, with deep-seated and destructive lesions that may produce severe scarring.

acne keloid  development of persistent hard follicular plaques along the posterior hairline of the scalp that fuse to form a thick, sclerotic, hypertrophic, pseudokeloidal band across the occiput.

acne mecha´nica , mechanical acne aggravation of existing acne lesions by mechanical factors such as rubbing or stretching, as by chin straps, clothing, back packs, casts, and seats.

acne necro´tica milia´ris  a rare and chronic form of folliculitis of the scalp, occurring principally in adults, with formation of tiny superficial pustules which are destroyed by scratching; see also a. varioliformis.

acne papulo´sa  acne vulgaris with the formation of papules.

pomade acne  acne vulgaris in blacks who groom their scalp and facial hair with greasy lubricants, marked by closed comedones on the forehead, temples, cheeks, and chin.

premenstrual acne  acne of a cyclic nature, appearing shortly before (rarely after) the onset of menses.

acne rosa´cea  rosacea.

tropical acne , acne tropica´lis a severe and extensive form of acne occurring in hot, humid climates, with nodular, cystic, and pustular lesions chiefly on the back, buttocks, and thighs; conglobate abscesses frequently form, especially on the back.

acne variolifor´mis  a rare condition with reddish-brown, papulopustular umbilicated lesions, usually on the brow and scalp; probably a deep variant of a. necrotica miliaris.

acne venena´ta  acne produced by contact with a great variety of acnegenic chemicals, including those used in cosmetics and grooming agents and in industry.

acne vulga´ris  chronic acne, usually occurring in adolescence, with comedones, papules, nodules, and pustules on the face, neck, and upper part of the trunk.

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acne keloid

n.

A chronic eruption of fibrous papules that develop at the site of follicular lesions, usually on the back of the neck at the hairline, seen most commonly in Black men. Also called dermatitis papillaris capillitii, folliculitis keloidalis.

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acne keloid

Etymology: Gk, akme, point, kelis, spot, eidos, form

an acneform disorder in which secondary pyogenic infection in and around pilosebaceous structures results in keloidal scarring. It is manifested as persistent folliculitis of the back of the neck associated with occlusion of the follicular orifices. It is most often encountered in black and Asian men.