Departmental Bulletin Paper 術前画像診断が可能であった卵巣静脈原発平滑筋肉腫の1例
A Case of Leiomyosarcoma Arising from the Ovarian Vein Preoperatively Diagnosed with Radiological Imaging

土屋, 春樹  ,  河原, 貴史  ,  河合, 弘二  ,  千原, 尉智蕗  ,  田中, 建  ,  木村, 友和  ,  池田, 篤史  ,  吉野, 喬之  ,  石塚, 竜太郎  ,  和久, 夏衣  ,  神鳥, 周也  ,  小島, 崇宏  ,  常樂, 晃  ,  中野, 雅之  ,  那須, 克宏  ,  南, 学  ,  西山, 博之

63 ( 10 )  , pp.407 - 412 , 2017-10-31 , 泌尿器科紀要刊行会
ISSN:0018-1994
NCID:AN00208315
Description
A 54-year-old woman presented withtransient back pain. She was diagnosed withleiomyosarcoma of the inferior vena cava (IVC) by computed tomography (CT) and was referred to our hospital. Contrastenhanced CT revealed a mass (38×42 mm) located in the retroperitoneal space along the course of the right ovarian vein. The mass compressed the IVC into a crescent shape. A tumor thrombus was also found in the IVC. 18 F-fluoro-2-deoxy-D-glucose positron emission tomography (PET) revealed high uptake at the caudal side of the tumor. These radiological findings strongly suggested the diagnosis of leiomyosarcoma arising from the right ovarian vein. She underwent tumor resection with right nephrectomy, IVC resection, and IVC patch reconstruction without any notable events after surgery. Histopathological diagnosis was leiomyosarcoma arising from the ovarian vein, not from the IVC. Two months after the surgery, CT revealed multiple pulmonary metastases and a single liver metastasis. The patient was referred to another hospital for further treatment. She was treated with chemotherapy and was alive with disease at 14 months after the surgery.
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