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BACKGROUND In addition to immune cells, many other cell types are known to produce cytokines. Cultured normal mouse gallbladder epithelial cells, used as a model system for gallbladder epithelium, were examined for their ability to express the mRNA of various cytokines and chemokines in response to bacterial lipopolysaccharide. The synthesis and secretion(More)
We report 5 patients with AIDS who had an unusual spindle cell proliferation in the lymph nodes and skin caused by nontuberculous mycobacteriosis. The spindle cell proliferation in these tissues may mimic a spindle cell neoplasm and pose a diagnostic problem if an infectious aetiology is not suspected. The fibroblast-like spindle cells contained numerous(More)
BACKGROUND/AIMS No reliable nationwide clinical data about chronic pancreatitis (CP) was available in Korea. The etiology and clinical features of CP were investigated using a multicenter nationwide study. METHODS 814 cases of CP were enrolled retrospectively over the past 4 years at 13 hospitals. The following data were obtained from all patients:(More)
Primary intestinal T-cell lymphoma is a rare disease entity, which is approximately 10% to 25% of intestinal lymphomas, and most of the lymphomas occur in the small intestine. We report here a case of a 56-year-old woman who has been suffering from chronic diarrhea and weight loss for 6 months. Abdominal CT scan and small bowel series showed diffuse wall(More)
BACKGROUND The cellular and molecular mechanisms of fibrogenesis in the extrahepatic biliary epithelium are not known. Transforming growth factor-beta1 (TGF-beta1) is a cytokine implicated in signaling pathways that mediate collagen formation. An observation that paclitaxel (PT), applied topically into the rat common bile duct, inhibited stricture formation(More)
Previous reports of a solitary metastatic hepatocellular carcinoma have been rare. Because this tumor has a different treatment modality and prognosis, an accurate differential diagnosis is essential. Here we report a rare case of a solitary chest wall metastasis from unknown primary site of hepatocellular carcinoma. It involves a 51-year-old man who was(More)
AIM To correlate the clinical features of treated and untreated patients with irritable bowel syndrome (IBS) to the results of skin prick test (SPT) for food and inhalant allergens. METHODS We recruited 105 subjects to form three different target groups: treated group (n=44) undergoing treatment for IBS, untreated group (n=31) meeting the Rome II criteria(More)
Oxysterols have been detected in various mammalian organs and blood. Biliary epithelium is exposed to high concentrations of cholesterol, and we have identified three keto-oxysterols (cholest-4-en-3-one, cholesta-4,6-dien-3-one, cholesta-3,5-dien-7-one) in human bile and gallstones. Because the effects of oxysterols on biliary physiology are not well(More)
PURPOSE To evaluate the efficacy and toxicity of heptaplatin, paclitaxel, and 5-fluorouracil combination chemotherapy in patients with advanced gastric cancer. MATERIALS AND METHODS Between July 2002 and September 2003, nineteen patients were enrolled in this study. Paclitaxel 135 mg/m(2) iv on day 1, heptaplatin 400 mg/m(2) iv on day 2 and 5-fluorouracil(More)
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