Hair Follicle Neoplasms -Tumor of the Follicular Infundibulum

Tumors of the Follicular Infundibulum are benign hair follicle neoplasms that I occasionally encounter in both my The Woodlands dermatology and Conroe dermatology offices.  Clinically, a Tumor of the Follicular Infundibulum is a flat scaly papule or plaque that is most commonly found on the face and can also be seen on the neck.  They may be mistaken for seborrheic keratoses as they have a similar appearance.  Typically, Tumors of the Follicular Infundibulum are solitary lesions but there are cases in which they present as multiple lesions.  They usually do not occur until adulthood.  They are distinguished from other entities based on the characteristic histologic appearance with a “plate like” growth of the epidermis downwards into the dermis.  As they are benign, treatment is not necessary unless they become irritating or for cosmetic reasons.  Treatment can be accomplished through shave excision or cryosurgery.

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