第9巻 2013年10月　第4号

■症例報告

直腸S状部癌に合併し肝円索内に発生した高分化型脂肪肉腫の1切除例
土屋　喜一¹, 武田　幸樹¹, 二階堂　孝², 山田　隆之³, 秋丸　琥甫¹, 内田　英二^4
1立正佼成会附属佼成病院外科
²立正佼成会附属佼成病院病理科
³立正佼成会附属佼成病院放射線科
⁴日本医科大学外科学（消化器外科学）

A Case of Liposarcoma Developing in the Ligamentum Teres Hepatis Concomitant with Rectosigmoid Cancer
Yoshikazu Tsuchiya¹, Kohki Takeda¹, Takashi Nikaido², Takayuki Yamada³, Koho Akimaru¹ and Eiji Uchida^4
1)Department of Surgery, Kosei General Hospital
²⁾Department of Pathology, Kosei General Hospital
³⁾Department of Radiology, Kosei General Hospital
⁴⁾Department of Surgery, Nippon Medical School

Liposarcoma is a malignant mesenchymal tumor that tends to develop in the retroperitoneal trunk and extremities. A 59-year-old woman came to our hospital with a chief complaint of abdominal pain. Computed tomography revealed an ovoid mass, 150 mm in diameter, in the middle of the peritoneal cavity. Endoscopy showed an ulcerative tumor in the rectosigmoid. Anterior resection of the rectum and resection of the tumor were performed. Histological examination showed a well-differentiated liposarcoma that had developed in the ligamentum teres hepatis and an adenocarcinoma of the rectosigmoid. The present case of liposarcoma developing in the ligamentum teres hepatis is, to our knowledge, the first to be reported.

日医大医会誌 2013; 9(4), 194-197

Key words
liposarcoma, ligamentum teres hepatis, colorectal cancer

Correspondence to
Yoshikazu Tsuchiya, Department of Surgery, Kosei General Hospital, 5-25-15 Yayoi-cho, Nakano-ku Tokyo 164-8617, Japan
E-mail：kazu@nn.iij4u.or.jp

受付：2013年3月7日　受理：2013年4月23日