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Preoperative assessment of extrahepatic bile duct carcinoma using three-dimensional intraductal US.

Abstract：

BACKGROUND:We investigated the utility of a new imaging modality, three-dimensional intraductal ultrasonography (US), for staging bile duct cancer. METHODS:In eight patients with extrahepatic bile duct carcinoma, two- and three-dimensional intraductal US was used to assess tumor invasion of the right hepatic artery, portal vein, and pancreatic parenchyma before resection. The findings were correlated with histologic information from the resected specimen. RESULTS:Three-dimensional intraductal US enabled accurate assessment of tumor invasion of the right hepatic artery in 88% of cases, the portal vein in 100%, and pancreatic parenchyma in 100%. Two-dimensional intraductal US enabled accurate assessment of invasion of these structures in 88%, 88%, and 88% of cases. CONCLUSIONS:Three-dimensional intraductal US is useful in assessing tumor stage in bile duct carcinoma.

journal_name

Gastrointest Endosc

journal_title

Gastrointestinal endoscopy

authors

Tamada K,Tomiyama T,Ohashi A,Wada S,Satoh Y,Miyata T,Ido K,Sugano K

doi

10.1016/s0016-5107(99)70082-9

keywords:

subject

Has Abstract

pub_date

1999-10-01 00:00:00

pages

548-54

issue

4

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(99)70082-9

journal_volume

50

pub_type

杂志文章

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