Undifferentiated Carcinoma of the Pancreas Involving Intraductal Pedunculated Polypoid Growth
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- Ishii Shotaro
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Kobayashi Go
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Fujita Naotaka
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Noda Yutaka
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Ito Kei
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Horaguchi Jun
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Koshita Shinsuke
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Kanno Yoshihide
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Ogawa Takahisa
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Masu Kaori
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Hashimoto Shinichi
- Departemetnt of Gastroenterology, Sendai City Medical Center, Japan
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- Sawai Takashi
- Division of Leading Pathophysiology, Department of Pathology, School of Medicine, Iwate Medical University, Japan
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- Uzuki Miwa
- Division of Leading Pathophysiology, Department of Pathology, School of Medicine, Iwate Medical University, Japan
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抄録
We herein report a case of pancreatic undifferentiated carcinoma involving intraductal pedunculated polypoid growth. Duodenoscopy disclosed a congested polypoid mass protruding from the orifice of the papilla of Vater. Endoscopic retrograde pancreatography (ERP) showed a polypoid lesion in Wirsung's duct and Santorini's duct. Pancreatic juice cytology using the cell block method revealed the presence of undifferentiated carcinoma. No extraductal invasion was detected on endoscopic ultrasonography and or intraductal ultrasonography. The patient therefore underwent pancreaticoduodenectomy. A histological examination revealed an intraductal polypoid tumor with a thin stalk without extraductal invasion. The tumor was composed of an abundant mixture of pleomorphic cells, spindle cells, giant cells, and a small amount of adenocarcinoma.<br>
収録刊行物
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- Internal Medicine
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Internal Medicine 51 (24), 3373-3377, 2012
一般社団法人 日本内科学会