Publications by authors named "Yuji Usui"

A 74-year-old man was referred to our hospital because of a gastric tumor. A Borrmann type 2 gastric tumor was found on upper gastrointestinal endoscopy, but tissue biopsy indicated only necrotic tissue and the preoperative diagnosis was difficult. Contrast CT and FDG-PET revealed lymphadenopathy at multiple sites accompanied by high accumulation of FDG in the perigastric lymph nodes, left upper collarbicular fossa, bilateral hilar ganglia, and longitudinal cauda.

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A 77-year-old woman was admitted to our hospital with the chief complaint of chest pain. CT showed a liver tumor that was 45 mm in diameter. A colonoscopic examination revealed a submucosal tumor in the lower rectum, which was diagnosed by histopathology as a neuroendocrine tumor (NET), grade 2.

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We performed transanal local excision of anal canal cancer in a 51-year-old man. The tumor was detected as an Isp polyp(7 mm)on the dentate line, by colonofiberscopic examination. Pathological findings indicated adenocarcinoma(T1b).

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A 65-year-old woman was admitted to our hospital for appetite loss and jaundice. Abdominal CT scan and ultrasonography both revealed a tumor in the head of the pancreas. Chest CT scan showed multiple nodules in both lungs.

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