Medical term:

Kerato


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keratoacanthoma

 [ker″ah-to-ak″an-tho´mah]
a rapidly growing, benign papular lesion, with a superficial crater filled with a keratin plug, usually on the face; it resolves spontaneously.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ker·a·to·ac·an·tho·ma

(ker'ă-tō-ak'an-thō'mă),
A rapidly growing tumor that may be umbilicated, and usually occurs on exposed areas of the skin in elderly white men, which invades the dermis but remains localized and usually resolves spontaneously if untreated; microscopically, the nodule is composed of well-differentiated squamous epithelium with a central keratin mass that opens on the skin surface.
[kerato- + G. akantha, thorn, +-oma, tumor]
Farlex Partner Medical Dictionary © Farlex 2012

keratoacanthoma

Dermatology A benign proliferation of squamous epithelium caused by infundibular hyperplasia and squamous metaplasia of sebaceous glands, which may histologically mimic WD (well differentiated) SCC. Cf Squamous cell carcinoma.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

ker·a·to·ac·an·tho·ma

(ker'ă-tō-ak'an-thō'mă)
A rapidly growing, umbilicated tumor, usually occurring on exposed areas of the skin, which invades the dermis but remains localized and usually resolves spontaneously.
[kerato- + G. akantha, thorn, + -oma, tumor]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

keratoacanthoma

(kĕr″ă-tō-ăk″ăn-thō′mă) [″ + akantha, thorn, + oma, tumor]
Enlarge picture
KERATOACANTHOMA
A common benign tumor that has a mound-shaped body with a central keratin-filled crater. The lesion clinically and histologically resembles squamous cell carcinoma of the skin, and may be related to this cancer. See: illustration

Treatment

Spontaneous healing of the tumor is common. Lesions that do not heal on their own can be surgically excised.

illustration
Medical Dictionary, © 2009 Farlex and Partners

keratoacanthoma

A wart-like growth, usually occurring on the face in elderly people, that rapidly increases in size over the course of two months until it is about a centimetre in diameter, hemispherical and with a central white horny plug. If left alone for a month or two, the keratoacanthoma begins to get smaller and eventually disappears leaving a depressed scar. Doubt as to diagnosis, however, often dictates removal for examination.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

ker·a·to·ac·an·tho·ma

(ker'ă-tō-ak'an-thō'mă)
A rapidly growing, umbilicated tumor, usually occurring on exposed areas of the skin, which invades the dermis but remains localized and usually resolves spontaneously.
[kerato- + G. akantha, thorn, +-oma, tumor]
Medical Dictionary for the Dental Professions © Farlex 2012

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