erythroplasia of Queyrat

erythroplasia

 [ĕ-rith″ro-pla´zhah]
a condition of the mucous membranes characterized by red papular lesions.
erythroplasia of Queyrat a form of epithelial dysplasia, which may range in severity from mild disorientation of epithelial cells with variable cellular pleomorphism to changes of carcinoma in situ and even invasive carcinoma, usually found on the glans penis and prepuce of uncircumcised middle-aged and older men; occasionally it may involve the lips, oral mucosa, tongue, vulva, or glabrous skin. It is typically characterized by the development of a slowly growing, circumscribed, erythematous, usually moist, velvety, and shiny patch.

e·ryth·ro·pla·si·a of Quey·rat

(kā-rah'),
obsolete term for carcinoma in situ of the glans penis.

erythroplasia of Queyrat

[erith′rōplā′zhə]
Etymology: Gk, erythros + plasis, forming; Louis A. Queyrat, French dematologist, 1856-1933
a premalignant lesion on the glans or corona of the penis. It is a shiny, velvety, well-circumscribed reddish patch on the skin. It is usually excised surgically. See also Bowen's disease.

e·ryth·ro·pla·si·a of Quey·rat

(ĕ-rith'rō-plā'zē-ă kā-rah')
Carcinoma in situ of the glans penis.

Queyrat,

L. Auguste, French dermatologist, 1856-1933.
erythroplasia of Queyrat - carcinoma in situ of the glans penis.
Queyrat syndrome - painless thickening of external genitalia; has also been described in the mouth and on the tongue.

erythroplasia of Queyrat (ər-ith´rōplā´zhə əv kərat´, kārū ´),

n.pr a form of intraepithelial carcinoma. The oral lesions are usually seen as plaques with a bright, velvety surface.
References in periodicals archive ?
In 1911, a dermatologist, Louis Queyrat, described lesions of the glans penis that were subsequently named erythroplasia of Queyrat.
Terms that were not recommended "because of the confusion associated with the use" included Bowen disease, erythroplasia of Queyrat, carcinoma simplex, and leukoplakic vulvitis.
Varma S, Holt PJ, Anstey AV: Erythroplasia of Queyrat treated by topical aminolaevulinic acid photodynamic therapy: a cautionary tale.
The differential diagnosis of a white plaque on the glans or distal shaft of the penis includes vitiligo, erythroplasia of Queyrat, lichen planus, localized scleroderma, and leukoplakia.
This disease must be differentiated by skin biopsy from lichen planus, erythroplasia of Queyrat and leukoplakia, as all are grossly similar.