Appendiceal abscess drainage. A. A 19-year-old who presented with fevers and right lower quadrant pain. CT scan shows an appendiceal abscess (arrows). B. Following ultrasound guided needle placement, a guidewire is coiled in the cavity under fluoroscopy. C. An 8-Fr drain is placed under fluoroscopic guidance and the abscess is drained. D. Follow-up CT scan after catheter removal shows complete resolution of the abscess.
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