Clinical Evaluation of Hepatic Scintigraphy

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Abstract
The diagnostic accuracy of liver scintigraphy concerning focal liver diseases was evaluated. Two groups of patients were examined. The 1st group was examined with a rectilinear scanner and a definite diagnosis was obtained in 176 cases. The predictive diagnostic values of the scintigraphic diagnosis of focal liver lesion present (PV pos.) was 71% (57-83) and focal liver lesion not present (PV neg.) was 84% (76-90) (95% confidence limits in brackets). The 2nd group was examined with a .gamma.-camera and a definite diagnosis was obtained in 41 cases. Here the PV pos. was 56% (21-86) and the PV neg. 97% (84-100). A motion correction device did not improve the interpretation. A survey of the literature indicates that the accuracy despite progressive technological development has not improved during the last 6 or 7 yr. Despite its limitations, liver scintigraphy is indicated in patients with suspected or proven cancer.

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