Aberrant uterine leiomyomas with extrauterine manifestation: intravenous leiomyomatosis and benign metastasizing leiomyomas.

IVL and BML are benign myoma variants with paradoxically metastatic clinical presentation. Careful inquiry of systemic symptoms, the presence of underlying systemic inflammation, and a high index of suspicion are required for preoperative diagnosis. Furthermore, a multidisciplinary approach is necessary to improve outcomes of surgical resection.