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FDG-PET demonstrated 95.9% accuracy in restaging for patients with HL with CRu/PR after first-line therapy. Given the observed probabilities, FDG-PET is highly cost effective and would reduce costs for the public health care program in Brazil.

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accurate was the manual, followed by Two Box. The manual method would potentially reduce false positive cases from 3 to 0 and false negative cases from 9 to 7. The reproducibility of semiquantitative methods was excellent. In general, negative correlations between striatal DAT binding and PD severity and motor scales were found, however, the correlations were not statistically significant. Asymmetry index and putamen/caudate ratio presented inferior performance compared to BPI. A statistically significant difference between the group with dyskinesia and without dyskinesia in the striatum and caudate BPI was found. Conclusion: Qualitative evaluation of DAT-SPECT with TRODAT-1 presents excellent differential diagnosis performance among healthy and PD patients. Semiquantitative evaluation is complementary to the qualitative evaluation, and may contribute in a way to reduce false negatives or false positives.