Despite technical advances, the number of patients with hepatic metastases not visualized by liver scanning remains high; more important, there is a significant incidence of false-positive reports. Preoperative scans of 70 patients with a high probability of abdominal tumor were compared with the incidence of hepatic metastases found at laparotomy. The overall accuracy of the liver scan was 84%; there were 13% false-positive and 23% false-negative results. Thus, the chance for error is too high to determine the existence of hepatic metastases on the results of liver scanning alone.
(JAMA 230:1675-1677, 1974)
Fee HJ, Prokop EK, Cameron JL, Wagner HN. Liver Scanning in Patients With Suspected Abdominal Tumor. JAMA. 1974;230(12):1675–1677. doi:10.1001/jama.1974.03240120043019
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