小野寺 博義¹, 及川 正道¹, 阿部 真秀¹, 木村 敏¹, 千田 信之¹, 後藤 由夫¹, 伊藤 契², 大和田 康夫², 深尾 彰³, 菅原 伸之⁴

Hiroyoshi ONODERA¹, Masamichi OIKAWA¹, Masahide ABE¹, Satoshi KIMURA¹, Nobuyuki CHIDA¹, Yoshio GOTO¹, Kei ITOH², Yasuo OHWADA², Akira FUKAO³, Nobuyuki SUGAWARA⁴

¹東北大学医学部第三内科, ²東北大学医学部第一外科, ³東北大学医学部公衆衛生学教室, ⁴宮城県対がん協会

¹The Third Department of Internal Medicine, Tohoku University School of Medicine, ²The First Department of Surgery, Tohoku University School of Medicine, ³Department of Public Health, Tohoku University School of Medicine, ⁴Cancer Detection Center of Miyagi Cancer Society

キーワード : Cystadenocarcinoma, Liver, Ultrasound, Mass survey

　A patient was 50-year-old female. She had no signs and symptoms. A cystic lesion with papillary growth was detected by the mass survey with ultrasound for diseases of the liver, the gallbladder and the pancreas which was held by the Cancer Detection Center of the Miyagi Cancer Society. Serum liver function tests (GOT, GPT, ALP, ZTT) were within normal limits. HBsAg and alpha-fetoprotein were negative. She was refered to the Tohoku University Hospital for further examinations. Computed tomography revealed a cystic lesion with papillary growth in the left hepatic lobe. Angiography demonstrated hypovascular tumor with the small tumor stain which was probably coincidental with the papillary growth. Ultrasonically guided percutaneous fine needle aspiration cytology of the papillary growth of the cyst showed adenocarcinoma. The content of the cyst was reddish brown and CEA level of it was exiremely high (2,300 ng/ml). Left lobectomy was performed. The diagnosis of cystadenocarcinoma was confirmed histologically. Tumor seemed to be 3.5 cm in diameter.