• 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, falsepositive results can occur.
(Arch Surg 111:810-811, 1976)
Cunningham JJ. False-Positive Gray-Scale Ultrasonography for Intra-abdominal Abscesses. Arch Surg. 1976;111(7):810–811. doi:10.1001/archsurg.1976.01360250086017
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