A case of mucinous cystadenoma of the pancreas resected after a 10-year follow-up |
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Authors: | Yamashita Yasunobu Ito Kei Noda Yutaka Kobayashi Go Obana Takashi Horaguchi Jun Kato Yuhei Koshita Shinsuke Kanno Yoshihide Ogawa Takahisa Fujita Naotaka |
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Affiliation: | Department of Gastroenterology, Sendai City Medical Center. yasunobu@wakayama-med.ac.jp |
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Abstract: | A 40-year-old woman was hospitalized because of acute pancreatitis. CT showed a monolocular cyst thought to be a pseudocyst. The patient was followed as an outpatient. The size of the cyst decreased 6 years later. Ultrasonography 10 years later demonstrated an enlarged cyst with a cyst-in-cyst formation. A tendency to increase in size and the irregular wall thickening indicated that the cyst was a malignant mucinous cystic neoplasm (MCN) and distal pancreatectomy was performed. The tumor was diagnosed histologically as a mucinous cystadenoma. A case of MCN resected after long-term follow-up is extremely rare. The present case is thought to be important for elucidation of the natural history of MCNs. |
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