Proliferating trichilemmal tumors (PTTs) are benign adnexal skin neoplasms that arise from
the outer root sheath of the hair follicle. These tumors are most commonly observed on the …

Proliferating trichilemmal tumor (PTT) is a benign tumor originating from the outer root
sheath of a hair follicle. Malignant transformation in case of PTT is very rare and unusual …

Proliferating trichilemmal tumor (PTT) is a rare cutaneous adnexal neoplasm of the hair
follicle that undergoes outer root sheath differentiation in the isthmus. Histological hallmarks …

Proliferating trichilemmal tumors (PTTs) are rare tumors that arise from the outer root sheath
of the hair follicle. They typically occur on the scalp of elderly women and commonly …

Background Malignant proliferating trichilemmal cyst is a rare tumour usually located on the
scalp of elderly women. About 40 cases of malignant proliferating trichilemmal tumour have …

A malignant proliferating trichilemmal tumor (MPTT) is thought to represent the malignant
counterpart of a benign proliferating trichilemmal cyst, a keratin-filled lesion that derives from …

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 tumors (PTTs) are neoplasms derived from the outer root sheath of
the hair follicle. These tumors, which commonly affect the scalp of elderly women, rarely …

Proliferating trichilemmal cyst (PTC) is a rare but morphologically distinct tumor that usually
arises on the scalp of elderly women. We report two cases of PTC, one benign and the other …

Malignant proliferating trichilemmal tumors (MPTTs, malignant proliferating pilar tumors) are
theorized to originate from the outer root sheath of the hair follicle which resembles the …