Publications by authors named "Yamaki G"

Aim: To assess the validity of the measurement of pepsinogen I and II as a screening test for gastric cancer and pre-malignant lesions, namely low-grade dysplasia, both in the general population and in selected groups of patients.

Methods: A meta-analysis of sensitivity and specificity results from individual papers on the use of the pepsinogen test. An intrinsic cut-off effect was assumed and a random effect model was used for pooling.

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Now we have two methods for gastric cancer screening. One is radiological study and another is pepsinogen test. The efficacy of radiological study has been established by the curve of mortality rate of gastric cancer through these four decades.

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A 73-year-old patient had been followed for aortic arch aneurysm of 54 mm in diameter. He was hospitalized complaining of chest and back pain. A chest CT scan showed ruptured aortic arch aneurysm extending to mid-descending thoracic aorta, and an emergent operation was decided.

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1. Clinically, intramucosal carcinoma guarantees good prognosis. So, to detect them is very important.

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Panendoscopic examination, performed in 4,130 healthy males older than 50 years, detected 9 esophageal cancers (0.22%). Of these, 6 were classified as early esophageal cancer, and 3 of these 6 had intraepithelial cancers.

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