PMC3932387_01
(A) Computed tomography revealed a metallic-density foreign body (arrow) in the distal posterior wall of the rectum. (B) Endoscopic ultrasonography revealed a 6-mm hyperechoic linear lesion (arrow) at the same lesion, suggesting retained acupuncture needle.
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F1
This revealed a metallic-density foreign body in the distal rectal posterior wall (Fig. 1A). Endoscopic ultrasonography revealed a 6-mm hyperechoic linear lesion (Fig. 1B).