Fig. 13

Bilateral pelvic collections in a 57-year-old patient investigated with MDCT 4 weeks after RALRP because of persistent fever, leg oedema and pain. A 4.5-cm collection with thick, enhancing walls (arrows in a) consistent with an abscess is seen abutting the left external iliac vessels, whereas the bilateral fluid-attenuating collections with thin, regular walls indicate lymphoceles in the site of nodal dissection (* in b). Combined transperineal and surgical drainage was performed. More caudally, a filling defect in the left femoral vein indicating thrombosis is detected (arrowhead in c). In a different 76-year-old patient with clinical suspicion of postoperative ileus 4 days after RALRP, MDCT shows abdominal wall emphysema (+) and massive fluid overdistension of small bowel loops with air-fluid levels caused by trocar (port site) hernia (thin arrow in d)