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- Title
Trichilemmal Tumor Undergoing Specific Keratinization.
- Authors
Hanau, D.; Grosshans, E.
- Abstract
Numerous tumors with follicle-like direction of differentiation have been described. At least three of them connected to the overlying epidermis are related to the outer root sheath or trichilemma : the tumor of follicular infundibulum (Mehregan & Butler 1961) and the inverted follicular keratosis (Helwig 1955) or follicular poroma (Duperrat & Mascaro 1963) have been related to the infundibulum, the tricholemmoma (Headington & French 1961) to the lower outer root sheath. On the occasion of a case first diagnosed as proliferating trichilemmal cyst of the scalp, we think we have individualized a tumor exhibiting ability to undergo trichilemmal keratinization. We describe its histogenesis and stress its peculiarities compared with other lesions showing trichilemmal keratinization.
- Subjects
TUMORS; EPIDERMIS; INFUNDIBULUM (Brain); KERATOSIS; SCALP; CYSTS (Pathology); KERATINIZATION
- Publication
Journal of Cutaneous Pathology, 1979, Vol 6, Issue 6, p463
- ISSN
0303-6987
- Publication type
Article
- DOI
10.1111/j.1600-0560.1979.tb01172.x