TRICHILEMMAL CYST OF THE SCALP: A CASE REPORT

Trichilemmal cysts are dermal epithelial cysts that develop at the expense of the hair follicle. Histologically, they are characterized by the presence of trichilemmal keratinization, defined by the absence of the granular layer usually present between the spinous and horny layers. A 48 years old female had found a scalp lump for 15 years, the lump gradually increased. Physical examination found 2 protruding lesions. Surgical excision was performed and histopathological examination of the specimen confirmed a trichilemmal cyst. The wound healed well after resection with no recurrence after one year follow up.