| keratosis obturans | An accretion of epithelia in the external auditory canal. Synonym: laminated epithelial plug. (05 Mar 2000) |
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| keratosis palmaris et plantaris | The occurrence of symmetrical diffuse or patchy areas of hypertrophy of the horny layer of the epidermis on the palms and soles; a group of ectodermal dysplasias of considerable variety, and either autosomal dominant or recessive inheritance. Synonym: ichthyosis palmaris et plantaris, keratoderma palmaris et plantaris, keratoderma symmetrica, keratoma plantare sulcatum, keratosis palmaris et plantaris, tylosis palmaris et plantaris. (05 Mar 2000) |
| keratosis pilaris atrophicans faciei | Erythema and horny plugs of outer portions of the eyebrows with destruction of follicles; onset in early infancy. (05 Mar 2000) |
| keratosis punctata | Horny papules over the palms, soles, and digits that develop central plugs; seen commonly in blacks. Synonym: keratoma disseminatum, keratosis punctata. (05 Mar 2000) |
| keratosis rubra figurata | A dermatosis characterised by hyperkeratotic plaques of bizarre, geographic configuration, associated with erythrodermic areas that may vary remarkably in size, shape, and position from day to day; onset is usually in the first year of life; autosomal dominant inheritance. Synonym: keratosis rubra figurata. (05 Mar 2000) |
| 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) |
| 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) |
| acute follicular conjunctivitis | An obsolete term for acute viral conjunctivitis. (05 Mar 2000) |
| adenocarcinoma, follicular | An adenocarcinoma of the thyroid gland, in which the cells are arranged in the form of follicles. (12 Dec 1998) |
| carcinoma, papillary, follicular | A thyroid neoplasm of mixed papillary and follicular arrangement. Its biological behaviour and prognosis is the same as that of a papillary adenocarcinoma of the thyroid. (12 Dec 1998) |
| giant follicular lymphoblastoma | <tumour> A malignant lymphoma arising from lymphoid follicular B-cells which may be small or large, growing in a nodular pattern. Synonym: follicular lymphoma, giant follicular lymphoblastoma. (05 Mar 2000) |
| giant follicular thyroiditis | A variant of Hashimoto's thyroiditis in which lymphocytic infiltrate in thyroid has formed into giant follicles. (05 Mar 2000) |
| chronic follicular conjunctivitis | Indolent inflammation of the conjunctiva, with discrete follicles in fornices that may be infective, toxic, or irritant in nature. (05 Mar 2000) |