May also represent later stage/regressing variant of trichofolliculoma, but is typically dermal-based tumor with prominent sebaceous glands
![image](/wp-content/uploads/2017/04/image03572.jpeg)
Trichofolliculoma is an invaginated cystic tumor lined by keratinizing squamous epithelium that communicates with the overlying epidermis. The central cystic space is usually filled with keratinous debris.
![image](/wp-content/uploads/2017/04/image03573.jpeg)
Trichofolliculoma is characterized by an invaginated cystic lesion lined by mature, keratinizing squamous epithelium that communicates with the overlying epidermis.
![image](/wp-content/uploads/2017/04/image03574.jpeg)
Small, branching follicular structures
![image](/wp-content/uploads/2017/04/image03575.jpeg)
![image](/wp-content/uploads/2017/04/image03576.jpeg)
Radiating around the central cystic space are numerous primitive follicles that connect with the central cystic space. The follicles often show secondary branching
![image](/wp-content/uploads/2017/04/image03577.jpeg)
CLINICAL ISSUES
Epidemiology
Treatment
• Surgical approaches
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