An extremely rare complication after appendectomy in a child: indicators for omental abscess, CRP and Leukocytosis

A 14 year-old male child underwent appendectomy, and partial omentectomy with the indication of perforated appendicitis. Despite antibiotic therapy at postoperative sixth day, purulent discharge started to ooze from the incision site. Upon detection of a palpable mass in the lower right abdominal quadrant, ultrasonographic examination was performed on the postoperative 14th day which revealed a non-homogeneous hypoechoic mass measuring 50-45 mm with irregular contours. The case was re-operated and a greater omental abscess was found which resected en-bloc. Any evidence of foreign object or residual appendiceal tissue was not found. Postoperative course was uneventful, and the patient was discharged on the 36th postoperative day. Herein, we reported an extremely rare case of omental abscess developed following appendectomy