Demonstration of microcystic disease of the pancreas by magnetic resonance cholangiopancreatography: Report of a case |
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Authors: | Tatsushi Kitagawa Koichi Matsumoto Keiji Iriyama |
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Affiliation: | (1) Department of Surgery, Yokkaichi Social Insurance Hospital, 10-8 Hazuyama, 510-0016 Yokkaichi, Japan;(2) Second Department of Surgery, Mie University School of Medicine, Tsu, Japan |
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Abstract: | A case of microcystic disease of the pancreas which was clearly demonstrated by magnetic resonance cholangiopancreatography
(MRCP) is reported herein. Cystic dilatation of the pancreatic duct was recognized by computed tomography scanning and endoscopic
retrograde cholangiopancreatography (ERCP). Furthermore, the existence of microcystic clusters surrounding the dilated pancreatic
duct were clearly visualized by MRCP. These microcystic clusters were strongly suspected preoperatively of having caused dilatation
of the major pancreatic duct. Based on these findings, a distal pancreatectomy was performed. The operative specimen showed
no accumulation of mucin and no evident lesions in the dilated pancreatic duct, being inconsistent with the entity of a mucus-producing
tumor. Pathological examination revealed that the inner parts of microcysts constituted columnar epithelium with mucus production
and papillary growth. Thus, a final histological diagnosis of intraductal papillary adenoma with idiopathic pancreatic duct
ectasia was confirmed. In conclusion, MRCP, being a less aggressive diagnostic procedure than ERCP, proved extremely useful
for obtaining precise information on cystic lesions of the pancreas in this patient. |
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Keywords: | pancreas microcyst intraductal tumor magnetic resonance cholangiopancreatography |
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