Yoshihisa Tsukada

Elevation of TFF1 gene expression during healing of gastric ulcer at non-ulcerated sites in the stomach: Semiquantification using the single tube method of polymerase chain reaction

Background : The Trefoil factor family 1 (TFF1), one of the trefoil peptides, has been considered to play protective and reparative roles of experimentally induced ulcers in the stomach. However, the alteration of the TFF1 mRNA in the non‐ulcerated areas of living human gastric mucosa in gastric ulcer is not well known. We examined TFF1 gene expression at non‐ulcerated sites during the healing of a gastric ulcer by semiquantitative determination of the TFF1 mRNA.

Nutritional support through percutaneous transhepatic internal drainage route in common bile duct cancer.

Abstract A 69 year old female with a duodenal bulb obstruction due to direct invasion of common bile duct cancer who received total enteral nutrition through the route of percutaneous transhepatic internal drainage (PTID) was presented. The tip of PTID tube was placed over the duodeno‐jejunal flexure. Jejunal infusion of all nutrients and the bile juice through this route kept her in good nutritional condition until the terminal stage of primary disease. This procedure did not cause the infection of the biliary system. Major problems, tube obstruction and diarrhoea, were easily resolved with the selection of an appropriate infusion schedule and nutrient concentration. We conclude that nutritional support through the PTID route is a beneficial means for compromised patients without laparotomy or hospitalization.

Successful treatment of gallbladder carcinoma producing alpha‐fetoprotein with segmental adenomyomatosis

The successful treatment of hepatoid adenocarcinoma of the gallbladder with elevated serum alpha-fetoprotein (1243 ng/ml) and segmental adenomyomatosis in a 58-year-old woman is described. The woman had alpha-fetoprotein (AFP)-producing carcinoma of the gallbladder with regional lymph node metastasis and was treated by extended radical resection and postoperative adjuvant chemotherapy. She is alive, showing normal serum AFP concentration and no recurrence, 57 months after surgery. The tumor cells were stained immunohistochemically for AFP by the peroxidase anti-peroxidase method. Serum AFP reactivity to concanavalin A and lentil lectin was similar to the pattern shown in hepatocellular carcinoma. Only a few cases of AFP-producing gallbladder carcinoma have been reported and there have been no reports of long-term survivors. The combination of aggressive radical resection and chemotherapy seems to have been effective for achieving long-term survival without liver metastasis.