1. Abstract
Leiomyomas are the most common gynecological tumors; they are benign and originate from smooth muscle cells together with fibrous connective tissue. The most common location is the uterus although rare cases of extra-uterine locations with benign histo- logical features have been described, such as intravenous leiomyo- matosis, disseminated peritoneal leiomyomatosis, benign metasta- sizing leiomyomas,