Fumiko Shigiyama

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We evaluated the performance of a newly developed small-caliber (SC) colonoscope (PCF-PQ260L). This colonoscope (diameter 9.2 mm) is designed with passive-bending and high-force transmission. The SC colonoscope was used for rescue colonoscopy following incomplete colonoscopy with a standard (SD) colonoscope caused by sharp angulation, loop formation, or(More)
BACKGROUND New blood test (QuantiFERON-TB-2G: QFT-2G), based on detection of IFN-gamma released by T cells in response to M. tuberculosis specific antigens, has the high sensitivity and specificity for diagnosis of tuberculosis. However, it is essential to evaluate this T cell-based approach in individuals with HIV-associated impairment in T cell immunity.(More)
A 70-year-old woman was referred to our hospital for treatment of a laterally-spreading tumor (LST) of 40mm diameter, located in the ascending colon. The woman also had chronic renal failure. Before endoscopic treatment, magnifying endoscopy and endoscopic ultrasound (EUS) was scheduled to allow a more precise diagnosis. Initially, chromoendoscopy with(More)
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