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Article
Solitary juvenile polyp of the rectum with intramucosal adenocarcinoma
We describe a case of solitary juvenile polyp of the rectum with intramucosal adenocarcinoma. A 55-year-old man presented to our hospital for evaluation after a positive fecal occult blood test. Colonoscopy re...
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Article
Factors associated with poor therapeutic response in outpatients with irritable bowel syndrome: a multicenter study in Japan
Some patients with irritable bowel syndrome (IBS) show poor response to treatment. However, risk factors associated with poor therapeutic response have not been determined.
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Article
Highly active antiretroviral therapy used to treat concurrent hepatitis B and human immunodeficiency virus infections
We report a case of simultaneous infection with hepatitis B virus (HBV) and human immunodeficiency virus type 1 (HIV-1) in a 26-year-old Japanese homosexual man. He was admitted to our hospital for acute hepa...
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Article
Malignant transformation of Nakamura type IV gastric polyp with CA 19-9 production
In a 68-year-old Japanese man, a gastric polyp 24 mm in diameter with a stalk 15 mm in diameter was diagnosed as well differentiated adenocarcinoma and treated by endoscopic polypectomy. Histologically, most ...