Publications by authors named "Ken Yuu"

A 72-year-old woman underwent a low anterior resection of the rectum and a total hysterectomy with a bilateral salpingo- oophorectomy simultaneously for rectal and ovarian cancer, respectively. The pathological diagnosis was a moderately differentiated adenocarcinoma of the rectum with some poorly differentiated components signet-ring cell components. A mucinous adenocarcinoma, with similar characteristics as that in the rectum, was found in the ovary.

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A 73-year-old man was admitted with sigmoid colon diverticulitis. Although a biopsy did not indicate malignancy, the sigmoid colon was completely obstructed following conservative treatment. After sigmoidectomy, the histopathological findings revealed a well-differentiated adenocarcinoma localized to the mucosal surface; invasive micropapillary carcinoma (IMPC)accounting for>95% of the tumor volume spread extensively below the submucosal layer.

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An 87-year-old male patient was admitted to our hospital with a chief complaint of vomiting. Gastroscopy revealed Type 0-Ⅱc+Ⅱa tumor at the posterior wall in the middle third of the stomach. A biopsy indicated moderately differentiated adenocarcinoma.

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A 90-year-old female patient was admitted to our hospital with a chief complaint of vomiting.Gastroscopy revealed type 3 gastric cancer and gastric outlet obstruction(GOO).Abdominal computed tomography revealed thickening of the antral wall and suggested the presence of 3 perigastric lymph node metastases, but there was no ascitic fluid or distant metastasis.

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The patient was a 64-year-old man with esophagogastric junction cancer. We performed right thoracotomy-laparotomy for lower esophageal and cardiac gastric resection, D2 lymphadenectomy, and reconstruction of a gastric tube in October 2011. Histopathology confirmed T4aN1M1(LYM), Stage IV cancer(Japanese Classification of Gastric Carcinoma, 14th edition) with R0 resection.

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A 87-year-old man had used to live in Shizuoka Prefecture. He got colonoscopy due to melena, and a type 1 tumor about 3 cm was detected in the rectum. He was diagnosed with rectal cancer.

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An 80-year-old man who had undergone distal gastrectomy and Billroth-II gastrojejunostomy 38 years previously, for a benign gastric ulcer, was diagnosed with remnant gastric cancer based on upper gastrointestinal endoscopy findings. He presented at our emergency department with acute-onset epigastric pain due to perforated remnant gastric cancer. Conservative medical management was selected, including nasogastric tube insertion, antibiotics, and proton pump inhibitors, because his peritonitis was limited to his epigastrium and his general condition was stable.

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Aim: The aim of this study was to clarify the clinical outcomes of staging laparoscopy(SL)for patients with positive peritonealwashing cytology(CY1P0)after S-1 administration.

Patients And Methods: Since 2007, eight CY1P0 patients who underwent SL after S-1 administration were enrolled. S-1 was administered according to the ACTS-GC and SL was performed after 8 courses of S-1 treatment.

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A 64-year-old man with advanced gastric cancer presented with chief complaints of chest pain. His preoperative blood examination revealed positive results for serum HIV-antibody. His HIV-RNA level was 1.

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Background: Most ingested foreign bodies pass uneventfully through the digestive tract without any major disturbances.

Objectives: We reports a rare case of successful localization and surgical removal of needles in the gastrointestinal tract using C-arm fluoroscopy intraoperatively.

Case Report: A 46year old female, a non-hospitalized psychiatric patient, presented with acute abdominal pain.

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A 72-year-old Japanese man had a history of proximal gastrectomy for early gastric cancer located in the upper third of the stomach in 2007. Our usual treatment strategy for early gastric cancer in the upper third of the stomach in 2007 was open proximal gastrectomy reconstructing by jejunal interposition with a 10 cm single loop. Upper gastrointestinal fiberscopy for annual follow-up revealed a type 0-IIc-shaped tumor with ulcer scar, 4.

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We herein present a case in which we used a totally laparoscopic approach for early gastric cancer accompanied by a huge hiatal hernia. An 80-year-old Japanese woman was referred with a chief complaint of dysphagia. A clinical diagnosis of early gastric cancer, T1b (SM) N0M0, stage IA, accompanied by hiatal hernia, was made.

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A 61-year-old woman was referred to our hospital with the complaint of severe dysphagia. Upper gastrointestinal endoscopy revealed an elevated tumor with an irregular surface located in the upper third of the stomach, and malignant melanoma was confirmed by biopsy specimens. Abdominal CT scan findings revealed that the tumor was invading the lateral segment of the liver and crus of the diaphragm.

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We report here the effectiveness of chemoradiotherapy for a patient with local recurrence followed by curable gastrectomy. A 57-year-old man presented with a history of total gastrectomy with distal pancreatectomy and splenectomy, D2 lymphadenectomy, and Roux-en-Y reconstruction for advanced gastric cancer arising from the cardia. Esophageal intramural metastasis and lymph node metastasis around the right recurrent nerve were detected by chest-abdominal computed tomography and gastrointestinal endoscopy 27 months after the initial gastrectomy.

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We report multidisciplinary treatment of 3 patients with lymph node recurrence after curative gastrectomy. Case 1: A 71- year-old woman had a history of distal gastrectomy with D2 lymphadenectomy for the treatment of advanced gastric cancer. Para-aortic lymph node metastasis was observed 36 months after surgery.

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We analyzed the prognosis of patients with positive lavage cytology, excluding other unresectable factors.From 2002 to 2008, 76 advanced gastric cancer patients positive for malignant cells(CY1)were investigated for our study.There were 60 patients undergoing gastric cancer surgery.

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