Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma.

Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma. Research Abstract Details 

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Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma. Abstract Text:

Toshiro Ozaki,Takeshi Kamura,Yoichi Ajioka,Yoshio Shirai,Isao Kurosaki,Satoshi Yamamoto,Keisuke Sasai,Toshiro Ozaki,Takeshi Kamura,Yoichi Ajioka,Yoshio Shirai,Isao Kurosaki,Satoshi Yamamoto,Keisuke Sasai,

PURPOSE: We evaluated the effectiveness of dynamic computed tomography (CT) imaging in differentiating malignant intraductal papillary mucinous tumor (IPMT) with a large mural nodule from invasive ductal adenocarcinoma (IDAC). MATERIALS AND METHODS: Dynamic CT was done in six IPMT and nine IDAC cases. In the IPMT cases, we made a histological map of the tumor. A region of interest (ROI) was established in the mural nodule of the IPMT, in the IDAC, and in the noncancerous portion of the pancreas. The change of density was analyzed statistically during preenhancement and the early and late phases. These results were compared between the IPMT and IDAC cases. RESULTS: Histologically, most of the mural nodule was papillary adenocarcinoma. In the IPMT cases, the postenhancement density of the mural nodule was significantly higher during the early phase than during the late phase. In IDAC cases, the postenhancement density was significantly higher in the late phase than in the early phase. In the early phase, tumor-pancreas density was significantly higher in the IPMT than in the IDAC. In the late phase, tumor-pancreas density was significantly higher in the IDAC than in the IPMT. CONCLUSION: Dynamic CT is useful for differentiating malignant IPMT with a large mural nodule from IDAC.

Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma. Publishing Authors By Initials

T Ozaki,T Kamura,Y Ajioka,Y Shirai,I Kurosaki,S Yamamoto,K Sasai,T Ozaki,T Kamura,Y Ajioka,Y Shirai,I Kurosaki,S Yamamoto,K Sasai,

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Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Radiation medicine

VOLUME: 25

Page Numbers: 446-52

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ISSN: 0288-2043

DAY: 26

MONTH: 11

YEAR: 2007

Dynamic computed tomography findings of malignant intraductal papillary mucinous tumor compared with invasive ductal adenocarcinoma. Information

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LANGUAGE: eng

NlmUniqueID: 8412264

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AFFILIATION: Department of Radiation Oncology, Niigata Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata, 951-8510, Japan, ganoz@cpost.plala.or.jp.

Country: Japan

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MEDLINETA: Radiat Med

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