A proliferating trichilemmal tumor is relatively uncommon. It is composed of multiple cysts
consisting of squamous epithelium with trichilemmal keratinization without granular layer …

Abstract Introduction Proliferating trichilemmal cysts (PTCs) are rare benign neoplasms
originating from the follicular isthmus. They can undergo trichilemmal keratinization and …

Proliferating trichilemmal cyst (PTC) is a rare but morphologically distinctive tumor that
usually occurs in the scalp of elderly women. Furthermore, only 30 well-documented …

Proliferating trichilemmal cyst (PTC), a rare benign tumor, is a fascinating follicular
neoplasm. It occurs on head and neck region of elderly women and its histologic hallmark is …

BACKGROUND Proliferating trichilemmal tumors (PTTs) are uncommon lesions whose
histologic hallmark is the presence of trichilemmal keratinization. PTT is thought to originate …

Background: Trichilemmal (pilar) cysts are common skin lesions that usually occur on the
scalp of elderly women. They differentiate towards the follicular outer root sheath epithelium …

Malignant proliferating trichilemmal tumor (MPTT) is a rare cutaneous tumor predominantly
affecting the scalp, eyelids, neck and face of elderly women. It is a large, solitary …

Trichilemmal cysts are common fluid-filled growths that arise from the isthmus of the hair
follicle. They can form rapidly multiplying trichilemmal tumors-, also called proliferating …

Proliferating trichilemmal cyst (PTC) is an uncommon tumor that usually arises on the scalp
of elderly women. Its biologic nature is that of a benign lesion with occasional local …