MALIGNANT PROLIFERATING TRICHILEMMAL TUMOR ONE CASE AND LITERATURE REVIEW

Proliferating trichilemmal tumors (PTTs) are uncommon lesions. PTT is thought to originate from the trichilemmal cyst (TC) and have the potential for malignant transformation, at which point it is termed a malignant proliferating trichilemmal tumor (MPTT). we report an observation of a 55-year-old lady patient presenting with a malignant proliferative trichilemmal tumor, emphasizing the aggressive, rapidly extensible and metastatic character. MPTTare aggressive tumors with a bad prognosis, the treatment of which is based on surgery with margins of 1 cm, lymph node dissection in the event of lymph node involvement and radio-chemotherapy.