| dyskeratoma | <tumour> A skin tumour exhibiting dyskeratosis. Origin: dys-+ G. Keras, horn, + -oma, tumour Warty dyskeratoma, a benign solitary tumour of the skin, usually of the scalp, face, or neck, with a central keratotic plug; it appears to arise from a hair follicle, and microscopically resembles a lesion of keratosis follicularis but is larger, with more extensive epithelial downgrowth. Synonym: isolated dyskeratosis follicularis. (05 Mar 2000) |
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| warty | 1. Having warts; full of warts; overgrow with warts; as, a warty leaf. 2. Of the nature of warts; as, a warty excrescence. <zoology> Warty egg, a marine univalve shell (Ovulum verrucosum), having the surface covered with wartlike elevations. Source: Websters Dictionary (01 Mar 1998) |
| warty horn | A protruding keratotic growth of the skin; the base may show changes of actinic keratosis or carcinoma. Synonym: cornu cutaneum, warty horn. (05 Mar 2000) |