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The prognosis of pancreatic cancer is defined by the histology and extent of disease. Preoperative histologic diagnosis and diagnostic imaging are fundamentals in managing the disease, but it is not rare to find unexpected peritoneal dissemination or liver metastasis at the time of operation. The overall resectability rate of pancreatic cancer is 40% in(More)
BACKGROUND/AIMS Study of he embolic materials is necessary to select those suitable for preoperative portal embolization which increases the safety of hepatectomy. METHODOLOGY Twenty-three patients with biliary tract cancer and hepatic tumor underwent portal embolization of the right portal vein. Four kinds of embolic materials were used. Gelatin sponge(More)
Insertion of drainage tubes at gastric cancer surgery could be useful for the prediction and management of postoperative complications. However, drains should be removed as soon as they are deemed unnecessary for various reasons. Amylase concentration of the drainage fluid following total gastrectomy for gastric cancer has been reported to be a useful risk(More)
BACKGROUND Laparoscopy-assisted approaches have become popular for dissecting early-stage gastric cancer in Japan, but the outcomes after 5 years of followup have not been reported. STUDY DESIGN Between January 1998 and March 2002, 94 patients with histologically proved early-stage gastric carcinoma participated in clinical studies and underwent(More)
BACKGROUND AND OBJECTIVES A preliminary study on the use of laparoscopy-assisted approach to treat gastric carcinoma resulted in higher morbidity. STUDY DESIGN A prospective phase II study of laparoscopy-assisted distal gastrectomy (LADG) was performed for patients with preoperative diagnosis of T1 N0 stage cancer located in the lower or middle-third(More)
OBJECTIVES This clinical study was carried out to clarify the indications for extended radical resection for pancreatic carcinoma. METHODS From July 1981 to September 2003, 250 of 391 (63.9%) patients with pancreatic carcinoma underwent tumor resection in our department. Portal vein resection was performed in 171 of these 250 (68.4%) resected cases. The(More)
OBJECTIVES A retrospective study was performed to clarify the correlation between radiographic type of portal vein (PV) invasion and pathological grade of PV wall invasion, and their correlation with postoperative prognosis. BACKGROUND In many patients with pancreatic cancer, PV resection is necessary to increase resectability and obtain cancer-free(More)
Background: Although routine follow-up to detect asymptomatic recurrence after surgery for gastric cancer is recommended, the effect of such reassessment on survival has not been evaluated. Methods: Clinical records of patients developing recurrent disease after potentially curative resection between 1985 and 1996 were retrieved. Among these patients, 197(More)
We applied novel real-time reverse transcriptase-polymerase chain reaction (RT-PCR) with a LightCycler for quantitative detection of carcinoembryonic antigen (CEA) mRNA expressing tumor cells in the peripheral blood of colorectal cancer patients. Analysis of peripheral blood samples from 99 potentially curative colorectal cancer patients revealed a(More)