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Infundibular keratosis--report of two cases
C H Keong1, R Maruyama, M Katsumata
1Department of Dermatology, School of Medicine, Tokyo Medical and Dental University, Japan.
The Journal of Dermatology
|August 1, 1990
Abstract:
Two cases of infundibular keratosis are presented, characterized histopathologically by funnel-shaped, invaginating, epithelial lobules showing infundibular keratinization and connection with pilosebaceous structures. Lightly-staining, glycogen-laden epithelial cells predominated within the two tumors. Differential diagnoses with other infundibular tumors and relationships to trichilemmoma are discussed.