Ken Hanyu

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INTRODUCTION Bochdalek's diaphragmatic hernia (BDH) rarely developed symptomatic in adulthood but mostly required an operation. In adult BDH cases, long-term residing of the massive intraabdominal organs in the thoracic cavity passively causes loss of domain for abdominal organs (LOD). PRESENTATION OF CASE A 63-year-old man presented at our institution(More)
The present study had two major purposes. First it sought to determine to what extent in an earlier study of distance estimation in stairways (Hanyu & Itsukushima, 1995) would generalize to other types of stairway. Second, it sought to examine which hypothesis, information storage or effort, better explain the earlier results, in which people overestimated(More)
INTRODUCTION Gastrointestinal stromal tumors (GISTs) are the leading mesenchymal neoplasia in the gastrointestinal tract, but GIST arising from the rectum is rare. When a secondary neoplasia coexists in the vicinity of a rectal GIST, more aggressive treatment strategies may be needed to cure the diseases. PRESENTATION OF CASE We herein describe a(More)
INTRODUCTION Parastomal hernia is a frequent complication after enterostomy formation. A repair using prosthetic mesh by way of a laparoscopic or open transabdominal approach is usually recommended, however, other procedures may be done if the repair is to be performed in a contaminated environment or when the abdominal cavity of the patient is difficult to(More)
Adult intussusception is rare, accounting for only 5% of all intussusceptions, for which preoperative diagnosis is difficult. We herein report a preoperatively diagnosed case of adult intussusception caused by a small bowel lipoma. A 33-year-old man was admitted to our hospital with three weeks history of colicky epigastric pain. Computed tomography(More)
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