| keratosis, seborrheic | Benign eccrine poromas that present as multiple oval, brown-to-black plaques, located mostly on the chest and back. The age of onset is usually in the fourth or fifth decade. (12 Dec 1998) |
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| keratosis vegetans | A slowly progressive autosomal dominant disorder of keratinization characterised by pinkish-to-tan papules that coalesce to form plaques. These lesions become darker over time and commonly fuse, forming papillomatous and warty malodorous growths. (12 Dec 1998) |
| lichenoid keratosis | A solitary benign papule or plaque, with microscopic features resembling lichen planus, occurring on sun-exposed or unexposed skin. Synonym: lichen planus-like keratosis. (05 Mar 2000) |
| lichen planus-like keratosis | A solitary benign papule or plaque, with microscopic features resembling lichen planus, occurring on sun-exposed or unexposed skin. Synonym: lichen planus-like keratosis. (05 Mar 2000) |