Publications by authors named "K Koufuji"

Aim: To assess the clinicopathologic characteristics, risk factors, and prognosis for synchronous multiple early gastric cancer (SMGC).

Methods: A total of 146 patients with SMGC and 1194 patients with single gastric cancer who had undergone gastrectomy between 1989 and 2008 were retrospectively analyzed to determine their clinicopathologic characteristics and postoperative survival. Tumors were classified into groups on the basis of location and histology.

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We retrospectively examined patients with advanced gastric cancer who underwent gastrectomy following neoadjuvant chemotherapy (NAC) with S-1 plus weekly low-dose cisplatin (CDDP). Between 2007 and 2009, 27 patients with advanced gastric cancer not amenable to curative surgery were enrolled. One course of NAC comprised S-1 (80 mg/m2/day) for 21 consecutive days and CDDP (20 mg/m2) on days 1, 8, and 15; this was followed by a 2-week rest after the end of S-1 administration.

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Background: We experienced a case in which Cronkhite-Canada Syndrome presented with complications of multiple gastric cancers and multiple colon adenomas.

Case Report: Our case is a 64-year-old male who visited a nearby hospital with diarrhea and weight loss. The patient was anemic and hypoproteinemic, with multiple polyps in the stomach, duodenum, and large intestine.

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The clinicopathological features of gastric cancer (GC) differ between younger and older patients, and it is thought that younger patients have a worse prognosis than older patients due to delayed diagnosis and more aggressive tumor behavior. These characteristics, however, remain controversial. A total of 3,818 patients with pathologically confirmed primary gastric adenocarcinoma were treated at our institution.

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Background: Hypoxia is a common feature of rapidly growing solid tumors. Therefore, cellular adaptation to hypoxia and altered glucose metabolism are fundamental to the biology of cancer cells. Hypoxia-inducible factor-1α (HIF-1α) is a transcription factor for more than 60 genes recognized to control the delivery of oxygen and nutrients through the induction of angiogenesis and glycolysis under hypoxic conditions.

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