Motoyasu Osawa

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Epstein-Barr virus (EBV) and cytomegalovirus (CMV) are members of the herpesvirus family and common causes of viral infection in humans. CMV infection of the gastrointestinal tract occurs mainly in immunocompromised individuals, on the other hand EBV infection and reactivation involving the gastrointestinal tract is very rare. A 56-year-old man was(More)
The Kirschner wire (K-wire) is used in the treatment of hip fractures, and migration of a K-wire into the pelvis with resultant colon injury is a very rare complication. We report a case in which a forgotten K-wire passing across the sigmoid colon was accidentally found by screening colonoscopy in a patient with no abdominal symptoms. Surgery was performed(More)
Ultrasonography is a standard, noninvasive modality used to evaluate patients with gastrointestinal diseases. This study assessed the usefulness of ultrasonography in the detection of small bowel tumors. This study enrolled 558 consecutive patients (295 males, 263 females; mean age 71.1 years) who underwent ultrasonography before capsule endoscopy and/or(More)
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