Intraductal mucinous tumors occurring simultaneously in the liver and pancreas |
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Authors: | Ishida Makoto Seki Kenichiro Honda Kei Kimura Toshihisa Katayama Kanji Hirose Kazuo Dojo Manabu Azuma Takeshi Imamura Yoshiaki Hutchins Robert R Yamaguchi Akio |
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Institution: | (1) First Department of Surgery, Fukui Medical University, 23-3 Shimoaizuki, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan, JP;(2) Second Department of Internal Medicine, Fukui Medical University, Fukui, Japan, JP;(3) First Department of Pathology, Fukui Medical University, Fukui, Japan, JP;(4) University Department of Surgery, Royal Free Hospital, London, UK, GB |
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Abstract: | A case of simultaneous intraductal mucinous tumors of the liver and pancreas in a 67-year-old man is described. Abdominal
ultrasonography and computed tomography (CT) revealed the presence of cystic lesions with intraluminal septae both in the
caudate lobe of the liver and in the uncinate process of the pancreas; these cystic lesions communicated with the hepatic
duct and pancreatic duct, respectively. Mucin retention was observed in the cysts, and cholestasis was induced by mucin secretion
into the common bile duct. The lesions were resected by left hepatic lobectomy with caudate lobectomy, and segmental pancreatectomy.
Both lesions were multilocular cystic tumors with no papillary projections or focal mass effect in their walls. Histologically,
both cystic lesions were a mixture of hyperplasia and adenoma lined by low papillary columnar epithelium. There were no cellular
or histological features to suggest malignant change. The fibrous intratumor interstitium lacked any mesenchymal or ovarian-like
stroma. The hepatic lesion was considered to be of a similar nature to intraductal papillary mucinous tumor (IPMT) of the
pancreas. However, the two lesions occurred simultaneously in the liver and pancreas. This case is of interest in regard to
the diagnosis and management of mucinous hepatopancreatobiliary lesions.
Received: March 16, 2001 / Accepted: September 14, 2001 |
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Keywords: | : mucin-producing tumor intraductal mucinous tumor biliary cystadenoma |
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