The diagnosis of cutaneous adnexal neoplasms, a heterogeneous group of entities, is often
perceived by practising pathologists as challenging. A systematic approach to diagnosis is …

Objectives: Malignant proliferating trichilemmal tumors of the scalp can exhibit aggressive
presentation and recurrences. Our objective was to perform an evidence-based systematic …

Malignant proliferating trichilemmal tumor (MPTT) is thought to represent the malignant
counterpart of benign proliferative pilar cyst, a lesion originating from the outer hair root …

Objectives In this study, we retrospectively reviewed the clinical and sonographic features of
patients with trichilemmal cysts. Methods Sonographic findings of 54 cases of trichilemmal …

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 …

Malignant proliferating trichilemmal tumour is a rare cutaneous malignant neoplasm usually
occurring in elderly women. We present a case of malignant trichilemmal tumour in a young …

A 56-year-old man presented with a painless cyst on the top of his head which has been
increasing in size in the last 6 months. Due to his learning disability, he could not be …

Proliferating trichilemmal tumor (PTT) is an uncommon appendageal skin tumor that affects
mainly elderly women. It arises from the external root sheath of the hair follicle and is most …

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 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 …