The largest single center report on intravenous leiomyomatosis and development of a classification to guide surgical management

Intravenous leiomyomatosis (IVL) is a rare neoplasm, the accumulated knowledge about the characteristics and prognosis of this tumor has been derived mainly from isolated case reports with no comprehensive research. In this study, we reviewed our institution's experience with IVL over a 20-year period and developed a classification system that can be used to guide surgical management.