An abundant connective tissue stroma is also present surrounding the follicular structures. Abundant Merkel cells have been demonstrated within the follicular epithelium, supporting the concept that trichofolliculomas are hamartomas. A variant of the trichofolliculoma is the sebaceous trichofolliculoma, featuring a similar histology except for the presence of numerous well-differentiated sebaceous lobules emptying into the central, dilated primary follicle. A single case of trichofolliculoma with perineural invasion has been reported in the literature. Simple surgical excision is typically curative.
Prognosis is excellent.
Although reports exist of recurrence at the primary site, these events are rare. Sebaceous and Pilar Tumors. Medicine is a constantly changing science and not all therapies are clearly established. New research changes drug and treatment therapies daily. However, as medical science is constantly changing and human error is always possible , the authors, editors, and publisher or any other party involved with the publication of this article do not warrant the information in this article is accurate or complete, nor are they responsible for omissions or errors in the article or for the results of using this information.