Abstract
Uterine smooth muscle tumors (USMT) arise from the myometrium and are classified according to their biological and clinical presentation as benignant, intermediary and malignant tumors. Leiomyomas (LM) are the most common benignant tumors that occurs in women at reproductive age (~70%) and their histological variants (the unconventional LM - LMU), although rare, presents clinical and morp…