Chau W K, Lai K H, Lo K J
Gastrointest Radiol. 1984;9(1):61-3. doi: 10.1007/BF01887803.
The ultrasonic images obtained in 2 patients with retained gauze in the abdomen are presented. Identification of a cystic mass with highly irregular internal echoes in patients with previous laparotomy should alert the radiologist to the possibility of foreign body retention.