膵IPMTにおけるMD-CTの有用性の検討 : ERP, EUS, MRCPとの比較 The role of multi-detector-row computed tomograph in the diagnosis of intraductal papillary-mucinous tumors of the pancreas in comparison to endoscopic retrograde pancreatography, endoscopic ultrasonography, magnetic resonance cholangiopancreatography

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膵IPMTと診断された30例に対して,画像上の良悪性の指標とされている主膵管拡張の程度,嚢胞性病変の局在や大きさ,neoplastic lesionの有無に加え,形態的特徴である主膵管との交通や乳頭開大·膨隆について各種画像検査を比較しMD-CTの有用性を検討した.MD-CTは主膵管や嚢胞を明瞭に描出し,MPR像やCPR像の併用により主膵管との交通やVater乳頭の評価を行うことができ膵IPMTの診断の一助となることが示唆された.<br>

Thirty patients with intraductal papillary-mucinous tumor (IPMT) of the pancreas underwent multidetector-row CT (MD-CT) in addition to endoscopic retrograde pancreatography (ERP), and, in 27 cases magnetic resonance cholangiopancreatography (MRCP) and endoscopic ultrasonography (EUS). The usefulness of MD-CT was investigated by comparing various imaging methods of the communication from the main pancreatic duct (MPD) to patulous/bulging papilla in addition to the indices for benign or malignant disease, the degree of dilation of the MPD, localization and size of cystic lesions, and presence or absence of neoplastic lesions, such as thickened walls and septa, intramural nodule, solid mass. With MD-CT, dilation of the MPD and localization and size of cystic lesions were accurately assessed, even in patients with obstruction of the main pancreatic duct in whom ERP was difficult to perform regardless of the presence or absence of massive amount of mucus. MD-CT with reconstructive imaging, such as MPR imaging and CPR imaging, allowed us to assess communication with the MPD and patulous/bulging papilla easier than MRCP. In our study, MD-CT was useful in the evaluation of thickened walls and septa that are predictive factors of malignancy in IPMT.<br>

収録刊行物

  • 日本消化器病學會雜誌 = The Japanese journal of gastro-enterology  

    日本消化器病學會雜誌 = The Japanese journal of gastro-enterology 104(3), 373-380, 2007-03-05 

    The Japanese Society of Gastroenterology

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各種コード

  • NII論文ID(NAID)
    10018886367
  • NII書誌ID(NCID)
    AN00192124
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04466586
  • データ提供元
    CJP書誌  J-STAGE 
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