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A Rare Case of Lymph Node Metastasis from Early Gastric Cancer
Takaaki Yoshikawa,Yoshio Kadokawa,Masaya Ohana,Akihisa Fukuda,Hiroshi Seno 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.4
Gastric cancers that fulfill the Japanese criteria for curative endoscopic resection show a low risk of lymph node (LN) metastasis. Here,we report a case of LN metastasis from early gastric cancer that fulfilled the curative criteria. A 74-year-old Japanese woman wasreferred to our hospital for treatment of early gastric cancer identified at the site of a hyperplastic polyp that had been diagnosed 10years prior to presentation. Contrast-enhanced computed tomography did not show any lymphadenopathy and laparoscopy-assisteddistal gastrectomy was performed. Histopathological examination revealed a predominantly moderately differentiated adenocarcinomathat measured 15 mm in size and was confined to the mucosa. However, a single metastatic regional LN was observed. A few cancercells showed positive staining for alpha-fetoprotein. It should be noted that early gastric cancer can be accompanied by LN metastasiseven if it fulfills the criteria for curative endoscopic resection.
A Massively Parallel Circuit Simulator for Power Grids Analysis
Hisako SUGANO,Yuuya ISODA,Makoto YOKOTA,Ittetsu TANIGUCHI,Masaya YOSHIKAWA,Masahiro FUKUI 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
With the shrinking of patterns in VLSIs, it becomes hard to neglect those problems related to IR-drop, electro migration, and so on. It takes huge calculation time to analyze and optimize these issues. The GPU computation is one of the expected approaches, since the innovation of the GPU is much faster than the CPU. The algorithm utilizes shared memories as much as possible to reduce to total computation time. The experimental results show that it achieves 15 times fast computation than CPU with similar accuracy.