内視鏡的に摘出し得た胆道内回虫症の1例

概要

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Ascaris is very rarely found in gastrointestinal tract recently. It is described in this paper that ascaris was incidentally found in choledochal duct under fiberscopic observation and taken out with biopsy forceps.<BR>A 65 year old woman was admitted to our hospital because of dull right abdominal pain. Many bacterias were demonstrated in B-bile, but no ascaris ova in bile and feces. Plain X-ray film of the abdomen showed the bile duct gas image. Hypotonic duodenogram revealed that papillary region of duodenum was markedly swollen and the injected barium flowed up into the common bile duct. During the examination of duodenoscopy, we found an ascaris wriggled out of the papilla Vateri and this was taken out with biopsy forcep. The removed ascaris was alive, male and 15.5 cm in length. Abdominal pain disappeared soon after ascaris was successfully picked out.