Intestinal ascariasis

Case contributed by Dr Abhijit Datir
Modality: Fluoroscopy

If its alimentary tract is distended, the worm appears as parallel bands (arrow). On transverse sections, the worm appears as a target sign (arrowhead) with body wall and a central dot representing its gut.

Case Discussion

Intestinal ascariasis appears as individual worms seen as longitudinal tubular structures on barium enema. If the alimentary tract of the worm is empty, the worm may appear as a filling defect. If its alimentary tract is distended, the worm appears as parallel bands (arrow). On transverse sections, the worm appears as a target sign (arrowhead) with body wall and a central dot representing its gut.

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Case Information

rID: 11210
Case created: 20th Oct 2010
Last edited: 3rd Oct 2015
Inclusion in quiz mode: Included

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