Kodai Tomioka

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AIM We report on a rare case of appendiceal primary neuroendocrine carcinoma (NEC) and discuss three cases previously described. CASE REPORT A 58-year-old woman presented with acute abdominal pain and a low-grade fever. She was diagnosed with acute appendicitis and underwent laparoscopic appendectomy. Pathological examination of the resected specimen(More)
Percutaneous endoscopic gastrostomy (PEG) is the standard modality for long-term enteral nutrition; however, complications are common. To avoid these complications, we introduce laparoscopic-assisted PEG (LAPEG) and describe its advantages. The aim of this study was to describe the advantages of LAPEG relative to other procedures. We retrospectively(More)
We report two cases of rectal malignant melanomas. The patients were an 84-year-old male and a 66-year-old female who had blood in their stools. They were preoperatively diagnosed with poorly differentiated adenocarcinoma of the rectum. The clinical diagnosis for each was rectal carcinoma at stage IIIc according to the tumor-node-metastasis classification(More)
OBJECTIVE Knowledge of the anatomy of the stomach and its surrounding structures is essential for lymph node dissection. This is the first gross anatomical investigation of anastomosis variations in the gastroepiploic arteries (GEA). The aim of this study is to examine the anastomosis pattern of the right and left GEA (RGEA and LGEA, respectively). (More)
AIM To investigate the risk factors of transumbilical incision for organ removal in laparoscopic surgery. PATIENTS AND METHODS We enrolled 643 consecutive patients undergoing laparoscopic surgery from 2010 to 2013. Superficial surgical site infection (SSI) and transumbilical port site hernia were recorded. RESULTS The participants underwent gastric(More)
INTRODUCTION The human azygos vein (AV) generally runs on the right side of the vertebral column. However, a shift in its course to the middle/left side of the vertebral column, potentially as a result of aging, has been reported. The aim of this study was to understand the relationship between AV displacement and aging. MATERIALS AND METHODS Forty-seven(More)
BACKGROUND The gastroepiploic artery (GEA) has been described in various ways by anatomical texts and surgical manuals. Currently, there are no studies that have investigated the thickness and length of GEA using gross anatomical methods. In the present study, we measured the length, circumference, area, and major axis of GEA, and quantitatively evaluated(More)
Synchronous multiple malignant colorectal lesions are rare, and there have been very few studies about one-stage laparoscopic operations in these cases. Here, we evaluated the short-term outcomes of laparoscopy-assisted colectomy (LAC) for synchronous double colorectal cancers. Seven patients underwent one-stage LAC that required two resections and(More)
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