3 results match your criteria: "Department of Gastroenterology University of Tokyo[Affiliation]"
Preservation of papillary relaxation after endoscopic papillary balloon dilation.
Hepatogastroenterology
December 2008
Department of Gastroenterology University of Tokyo, Bunkyo-ku, Tokyo, 113-8655, Japan.
Background/aims: Endoscopic papillary balloon dilation has been accepted as a less hazardous alternative to endoscopic sphincterotomy for removal of bile duct stones in patients with impaired hemostasis. Several manometric studies have suggested that endoscopic papillary balloon dilation can be expected to preserve papillary function. However, the aspect of the preservation of postprandial relaxation has not been addressed.
View Article and Find Full Text PDFThree-dimensional power Doppler ultrasonography for hepatocellular carcinoma: a comparison with angiography?
Hepatogastroenterology
July 2005
Department of Gastroenterology University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
Background/aims: To assess clinical usefulness of three-dimensional power Doppler ultrasonography for the diagnosis of hepatocellular carcinoma.
Methodology: Fifty-two hepatocellular carcinoma nodules (median 31mm in diameter, range 8 to 94), histologically proven afterwards, in 33 patients were examined by three-dimensional power Doppler ultrasonography (ATL-HDI 5000 with a 5-MHz convex transducer) for tumor vascularity. We classified tumor Doppler signals into four types; Type 1: spotty signals in the tumor, Type 2: signals surrounding the tumor, Type 3: Type 3 with visualized penetrating arteries, Type 4: Type 3 with visualized drainage vein.