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Utility of preoperative dynamic magnetic resonance imaging of the pancreas in diagnosing tumor-forming pancreatitis that mimics pancreatic cancer: report of a case.


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Title: Utility of preoperative dynamic magnetic resonance imaging of the pancreas in diagnosing tumor-forming pancreatitis that mimics pancreatic cancer: report of a case.
Authors: Kuroki, Tamotsu / Tajima, Yoshitsugu / Tsuneoka, Noritsugu / Adachi, Tomohiko / Kanematsu, Takashi
Issue Date: Jan-2010
Publisher: Springer Japan
Citation: Surgery today, 40(1), pp.76-78; 2010
Abstract: The differential diagnosis of pancreatic carcinoma and tumor-forming pancreatitis remains difficult, and this situation can cause serious problems because the management and prognosis of these two focal pancreatic masses are entirely different. We herein report a case of tumor-forming pancreatitis that mimics pancreatic carcinoma in an 80-year-old woman. Computed tomography showed a solid mass in the head of the pancreas, and endoscopic retrograde cholangiopancreatography showed a complete obstruction of the main pancreatic duct in the head of the pancreas. Dynamic contrastenhanced magnetic resonance imaging (MRI) demonstrated a time-signal intensity curve (TIC) with a slow rise to a peak (1 min after the administration of the contrast material), followed by a slow decline at the pancreatic mass, indicating a fibrotic pancreas. Under the diagnosis of tumor-forming pancreatitis, the patient underwent a segmental pancreatectomy instead of a pancreaticoduodenectomy. The histopathology of the pancreatic mass was chronic pancreatitis without malignancy. The pancreatic TIC obtained from dynamiccontrast MRI can be helpful to differentiate tumor-forming pancreatitis from pancreatic carcinoma and to avoid any unnecessary major pancreatic surgery.
Keywords: Magnetic resonance imaging / Mimicking pancreatic cancer / Time-signal intensity curve / Tumor-forming pancreatitis
URI: http://hdl.handle.net/10069/23062
ISSN: 09411291
DOI: 10.1007/s00595-009-3992-y
PubMed ID: 20037846
Rights: © 2010 Springer. / The original publication is available at www.springerlink.com
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/23062

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