2011年5月
NEW TECHNIQUES AND FUTURE PERSPECTIVE OF EUS FOR THE DIFFERENTIAL DIAGNOSIS OF PANCREATIC MALIGNANCIES: CONTRAST HARMONIC IMAGING
DIGESTIVE ENDOSCOPY
- ,
- ,
- ,
- 巻
- 23
- 号
- 開始ページ
- 46
- 終了ページ
- 50
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1111/j.1443-1661.2011.01146.x
- 出版者・発行元
- WILEY-BLACKWELL
Although endoscopic ultrasonography (EUS) has the advantage over other imaging methods in that it is possible to obtain high resolution images of the pancreas, it is limited in its ability to characterize pancreatic masses. Contrast-enhanced power Doppler ultrasonography suffers from several limitations such as blooming artifacts, poor spatial resolution, low sensitivity to slow flow and high sensitivity to motion artifacts. Recently, EUS system specific for contrast harmonic imaging has been developed. The use of this EUS system enabled us to observe images of microcirculation and parenchymal perfusion without Doppler-related artifacts in the pancreas. Contrast-enhanced harmonic EUS could diagnose pancreatic carcinomas as hypovascular masses with a high sensitivity (89-96%) and specificity (64-88%). Contrast-enhanced harmonic EUS also discriminates mural nodules from mucous clots in the intraductal papillary mucinous neoplasms.
- リンク情報
- ID情報
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- DOI : 10.1111/j.1443-1661.2011.01146.x
- ISSN : 0915-5635
- Web of Science ID : WOS:000290045500012