Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «K»:
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Keratoconjunctivitis
Keratoconjunctivitis: Inflammation of the eye involving both the cornea and the conjunctiva.
Keratoconjunctivitis can be due to diverse causes, including infections and autoimmunity (as is the case in Sjogren syndrome). ...
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Keratoconus
Keratoconus: Cone-shaped cornea with the apex of the cone being
forward. Also called conical cornea. ...
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Keratoderma hereditarium mutilans
Keratoderma hereditarium mutilans: See: Vohwinkel syndrome....
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Keratodermia blennorrhagicum
Keratodermia blennorrhagicum: A skin disease of the palms and soles that occurs in patients with Reiter's syndrome, a systemic rheumatic disease that causes inflammation in areas as distinct and different as the eyes, mouth, lungs, kidneys, heart, and skin.
The classic areas of the skin that can be...
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Keratolytic
Keratolytic: Pertaining to keratolysis, the softening and shedding of the horny outer layer of the skin. A keratolytic agent is a peeling agent....
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Keratoma
Keratoma: An area of hardened skin, usually called a
callus....
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Keratoplasty
Keratoplasty: Corneal transplant. ...
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Keratosis
Keratosis: A localized horny overgrowth of the upper layer of skin such as a callus or wart. Among the common forms of keratosis are actinic keratosis and senile keratosis....
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Keratosis follicularis
Keratosis follicularis: A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair follicles. This disorder is inherited in an autosomal dominant manner and is due to mutation in a gene called ATP2A2 on chromosome 12. Also known as Darier disease....
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Keratosis pilaris
Keratosis pilaris: Small rough bumps, generally on the face, upper arms, and thighs.
Keratosis refers to a localized overgrowth of the upper layer of skin. Pilaris pertains to the hair. In keratosis pilaris, the buildup of keratin (the hard protein in the skin, nails, and hair) is limited to the hai...
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Keratosis, actinic
Keratosis, actinic: A small rough spot on skin chronically exposed to the sun, precancerous, can develop into a skin cancer called squamous cell carcinoma, a process that typically takes years. Actinic keratoses occur most frequently in fair-skinned people. Common locations are the face, scalp, back...
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Keratosis, seborrheic
Keratosis, seborrheic: A
benign skin disorder due to excessive growth of the top layer of skin cells,
usually found in persons over 30 years old. They may appear as just one growth
or in clusters. They are most often brown but can differ in color and range
anywhere from light tan to black. They ...
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Keratosis, senile
Keratosis, senile: Synonymous with actinic keratosis. See: Keratosis, actinic....
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Keratosis, solar
Keratosis, solar: Synonymous with actinic keratosis. See: Keratosis, actinic....
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Keratotic scabies
Keratotic scabies: See crusted scabies....
