[Diagnosis of subphrenic abscess by sonography (author's transl)]

The diagnosis of a subphrenic abscess by sonography is based mainly on the experience of the examiner. A short description of the normal subphrenium is given. The diagnostic criteria for a subphrenic abscess and the differentialdiagnosis are discussed. In 19 cases of subphrenic abscess in question the diagnosis was missed in two cases, giving a success rate of 89.5%.