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Related to leukokeratosis: leukoplakia


 (lo͞o′kə-plā′kē-ə) also leu·co·pla·ki·a (lo͞o′kə-plā′kē-ə)
An abnormal condition characterized by white spots or patches on mucous membranes, especially of the mouth and vulva. Also called leukoplasia.

[New Latin : leuko- + Greek plax, plak-, flat area; see plāk- in Indo-European roots.]




(Pathology) pathol white patches or plaques occurring on mucous membranes, esp of the mouth or vulva


or leu•co•pla•ki•a

(ˌlu kəˈpleɪ ki ə)

a condition marked by one or more white patches on a mucous membrane, as of the tongue or cheek, usu. benign.
[1880–85; < Greek leuko- leuko- + plak-, s. of pláx flat surface, taken as “tongue” + -ia -ia; leukoplasia for earlier leucoplacia, as if formed with -plasia]


n. leucoplasia, áreas de color opaco en la membrana mucosa de la lengua gen. de carácter precanceroso.


n leucoplasia, manchas blancas en la boca o lengua; oral hairy — leucoplasia vellosa oral
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References in periodicals archive ?
Pachyonychia congenita is a rare type of palmoplantar keratoderma characterized by a triad of subungual hyperkeratosis, keratosis palmaris et plantaris and oral mucosal leukokeratosis.
Sir James Paget of London wondered in 1851 about the cancer producing potential of pipe smokers palate or leukokeratosis and in 1870 he clearly implied that oral icthyosis (white keratotic plaque) was a significant precursor to lingual carcinoma.
Known cases of colloidon baby include icthyosis vulgaris and trichothiodoystrophy, less well documented causes include sjogren -lorsen syndrome, netherton syndrome, gaucher disease type 2, congenital hypothyroidism, conradi syndrome, dorfmann-chanonin syndrome, ketoadipiaciduria, icthyosis variegata and palmoplantar keratoderma with anogenital leukokeratosis.