Figure 6.

Transrectal abscess drainage. (A–C) Multiple computed tomography (CT) images of the pelvis demonstrate a prerectal abscess cavity (star). (D) The transrectal probe with a securely attached needle is demonstrated. (E) Transrectal access is demonstrated into the hypoechoic fluid cavity (star). (F) With the patient in the left lateral decubitus position, with legs bent at the knee, the oblique lateral fluoroscopic projection image shows injected contrast within the bilobed cavity (star). (G–J) Images from a follow-up CT of the pelvis shows the pigtail drainage catheter in place (curved arrow). (K, L) CT of the pelvis performed following successful evacuation and treatment of the prerectal abscess and following removal of the drainage catheter.