Cunningham J J
Arch Surg. 1976 Jul;111(7):810-1. doi: 10.1001/archsurg.1976.01360250086017.
Two patients had convincing mass lesions demonstrated with gray-scale echography and strongly supporting clinical evidence for intra-abdominal abscesses. Neither patient had a lesion at the time of surgery. Although modern echography is an accurate diagnostic method for intra-abdominal abscess, false-positive results can occur.
