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To compare the diagnostic accuracy of computed tomography (CT) and magnetic resonance imaging (MRI) in the diagnosis of lymph node metastases in prostate cancer.

After a comprehensive literature search, studies were included that allowed construction of contingency tables for detection of lymph node metastases using CT or MRI. In addition, a summary receiver-operating characteristic (ROC) analysis was performed.

A total of 24 studies were included. For CT, pooled sensitivity was 0.42 (0.26–0.56 95% CI) and pooled specificity was 0.82 (0.8–0.83 95% CI). For MRI, the pooled sensitivity was 0.39 (0.22–0.56 95% CI) and pooled specificity was 0.82 (0.79–0.83 95% CI). The differences in performance of CT and MRI were not statistically significant.

CT and MRI demonstrate an equally poor performance in the detection of lymph node metastases from prostate cancer …