A 37-year-old lady, when being evaluated in gynecology for pain in the abdomen, was found to have a pelvic mass suspicious of ovarian cancer with markers negative. There was an ovarian vein thrombosis extending to the right atrium in the contrast-enhanced computed tomography scan. A fluorodeoxyglucose positron emission tomography-computed tomography ruled out any other lesions. The patient underwent surgery under general anesthesia with transesophageal echocardiography to monitor the atrial thrombus. Intraoperatively, a retroperitoneal mass is seen arising from the right adnexal region of the uterus extending to the lumbar area. After the hysterectomy, bilateral salpingo-oophorectomy, tumor resection, and baring and looping of the retroperitoneal vessels, a sternotomy was done, and she was put on cardiopulmonary bypass. The tumor thrombus had two limbs both arising from the mass, one through the ovarian and the second through the iliac veins and joining together inside the inferior vena cava (IVC). With the excision of the ovarian vein at its junction, atrial incision, and incisions over the iliac veins and IVC, the thrombus was removed completely in a single sitting. Final histopathology revealed intravenous leiomyomatosis and no malignancy. We report this case as a rare disease, with both ovarian and iliac thrombus being a further rarity and a multidepartment joint effort with a successful outcome.
Keywords: Inferior vena cava; intracardiac leiomyomatosis; intravenous leiomyomatosis; ovarian vein thrombosis; pelvic mass.
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