A long-term follow-up case of intravenous leiomyomatosis treated with anticoagulant therapy following conservative surgery

概要

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An intravenous leiomyomatosis is a benign smooth muscle tumor that develops in a vein. Approximately 200 cases have been reported in the literature thus far ; however, no case has been reported to date of an intravenous leiomyomatosis treated conservatively with anticoagulant therapy that has received longterm follow-up. We here present a case report of patient a 44-year-old G2P2. Hysterectomy and adnexectomy were performed and the uterine vein and internal iliac vein were removed, but the superior-located masses were conserved. Currently, in the 6^<th> post-operative year, no changes have been detected in the location, size, and property of the remaining masses. In addition, thromboses in the deep vein and along the inferior vena cava were confirmed pre-operatively and anticoagulant therapy has been administered continuously post-operatively. Thus, a thorough pre-operative search for thrombi is required in patients with intravenous leiomyomatosis. Anticoagulant therapy may be necessary for patients with tumor conserved in the IVC following conservative surgery.