Abstract
A 12-year-old boy from Pakistan presented with abdominal pain. A US showed a long, curvilinear, peristaltic structure located within the distal small bowel. Longitudinal scans of the structure demonstrated two parallel outer echogenic lines (arrows) separated by a hypoechoic region (Fig. 1). Transverse view shows a target-like appearance (arrows) (Fig. 2). The stool ova and parasite examination revealed the presence of Ascaris lumbricoides ova. Ascaris lumbricoides is the most common human worm infection [1]. An adult worm averages 12 to 35 cm in length
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