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AIM To evaluate the diagnostic potential of voiding urosonography (VUS) compared with fluoroscopic voiding cystourethrography (VCUG) under identical conditions and to evaluate potential reasons for false-negative VUS results, particularly regarding bladder concentrations of the US contrast agent, Levovist. METHODS Fifty-six paediatric patients (M/F 34/22,(More)
BACKGROUND AND AIM Previous reports have indicated seasonal fluctuations in the incidence of peptic ulcer activity, but the reasons for the seasonal pattern are not clear. We assessed the seasonal incidence of hematemesis caused by peptic ulcers or gastroesophageal varices, and the correlations between those and climatic factors. METHODS We examined the(More)
PURPOSE This study aimed to compare the effects of computer-assisted, text-based and computer-and-text learning conditions on the performances of 3 groups of medical students in the pre-clinical years of their programme, taking into account their academic achievement to date. A fourth group of students served as a control (no-study) group. METHOD(More)
 An intussusception-type antireflux valve (ARV) has been introduced to prevent postoperative ascending cholangitis in the management of biliary atresia (BA). We investigated the characteristics of cholangitis in the management of BA using the ARV in 38 patients who had undergone an operation at our institution; 29 underwent ARV construction at the same time(More)
A 64-year-old woman with a known history of hypertrophic obstructive cardiomyopathy presented with severe anemia of unknown origin. She had also suffered from repeated episodes of upper gastrointestinal bleeding for the previous 3 years. Despite bone marrow examination and panendoscopic and angiographic studies, the origin of anemia remained undefined until(More)
A 34-year-old male presented with acute viral encephalitis of unknown aetiology with subsequent acute onset of hepatitis C virus (HCV) infection. Although the neurological syndrome improved after administration of acyclovir, jaundice appeared. Neurological complications of HCV infections have rarely been described. In this case report, we discuss the close(More)
The patient was a 14-year-old male diagnosed with acute disseminated encephalomyelitis (ADEM) with acute onset of multifocal central nervous system symptoms. He showed increased cerebrospinal fluid cell counts and high myelin basic protein levels, which responded well to steroid pulse therapy. Spinal MRI showed a centrally-located long spinal cord lesion(More)