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Spinal dural arteriovenous fistula (SDAVF) is the most common spinal vascular malformation, however it is still rare and underdiagnosed. Magnetic resonance imaging findings such as spinal cord edema and dilated and tortuous perimedullary veins play a pivotal role in the confirmation of the diagnosis. However, spinal angiography remains the gold standard in(More)
Helicobacter pylori has been associated with a variety of upper gastrointestinal diseases. Histopathological examination and culture are considered to be the more specific tests in the diagnosis of H. pylori infection. In the present study, we evaluated the efficiency of a polymerase chain reaction (PCR) assay of the H. pylori urease A gene as a procedure(More)
Congestive gastropathy is a common cause of gastrointestinal bleeding in cirrhotic patients. Forty-six patients with cirrhosis of the liver and 225 control subjects matched in age and sex without cirrhosis of the liver entered the study. We studied the prevalence of congestive gastropathy in cirrhotic patients, and the relationship between endoscopic and(More)
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