• Hsi-Yu Yu, Hsiao-En Tsai, Nai-Hsin Chi, Kuan-Ting Kuo, Shoei-Shen Wang, Chi-An Chen, and Yih-Sharng Chen.
• Department of Surgery, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan.
• J Formos Med Assoc. 2018 Nov 1; 117 (11): 964-972.

BackgroundIntravascular leiomyomatosis (IVL) is relatively rare. The optimal surgical method and long-term outcomes are not completely understood.MethodsMedical records between 2007 and 2017 in our hospital were analyzed to identify IVL cases with surgical intervention. Their medical records, operative details, and follow-up were collected by chart review and telephone communication.ResultsEight patients with IVL were included in the study, accounting for 0.26% of all uterine leiomyoma cases. Primary IVL was confined to pelvic cavity in three patients, extended to the inferior vena cava (IVC) below renal vein in one, reached IVC and right atrium in three, and reached main pulmonary artery in one. One-stage operation was performed for seven patients. Cardiopulmonary bypass was done in four patients, and aortic cross-clamp and temporary circulatory arrest was performed in two patients. None of the four patients with intrapulmonary tumors received concomitant pulmonary tumor resection. There was no operative mortality and four morbidities, including ureter injury (2), bladder injury (1), and femoral vein thrombosis (1). During follow-up, two patients exhibited local recurrence of the tumor in the pelvis, and one patient had rapidly growing intrapulmonary tumor three months post-operatively. Intrapulmonary tumors in the other three patients remained stationary at 6, 84, and 120 months post-operatively.ConclusionOne-stage operation to completely remove IVL is feasible and with good long-term outcomes, which is recommended if the patient can tolerate the operation. Concomitant intrapulmonary tumors can be followed up watchfully except when associated with pleural effusion or the pathology indicating trend of increasing malignancy.Copyright © 2018. Published by Elsevier B.V.

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