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GlossaryTrichofolliculoma

rare benign skin tumor originating from hair follicles

Trichofolliculoma is a rare, benign skin tumor that originates from hair follicles. It typically presents as a small, flesh-colored or slightly yellowish nodule, often on the face or scalp, and may have a central pore from which fine hairs emerge. This condition is generally harmless but can be surgically removed if it causes cosmetic concerns or discomfort.

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research Multiple Trichofolliculomas Mimicking Multiple Trichoepitheliomas

5 citations , March 2015 in “Indian Journal of Dermatology”

Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.

research Trichofolliculoma Showing Perineural Invasion

81 citations , August 1979 in “Archives of Dermatology”

Trichofolliculomas can sometimes be more aggressive than thought.

research Splitting Hairs: Molecular Mechanisms of Hair and Feather Development

158 citations , November 1998 in “Cell”

β-catenin affects hair growth and can lead to tumors, needing more research for better understanding.

research Expression of the Hair Stem Cell-Specific Keratin 15 in Pilar Tumors of the Skin

54 citations , September 1999 in “PubMed”

K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.

research Role of Beta-Catenin Signaling in Adult Epidermal Cell Fate Specification

January 2005 in “Doctoral thesis, University of London.”

Activating β-catenin signaling can trigger hair growth and new hair follicle formation.

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