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Fig. 4A —55-year-old man with history of metastatic melanoma. Reprinted from
[23]. Coronal CT
(left), PET (middle), and coregistered PET/CT
(right) images obtained before (A) and after (B)
truncation correction. Metastasis (arrow) in upper right extremity is
located in truncated region of CT image. Before truncation correction, maximum
standard uptake value (SUV) measurement in 1.5-cm region of interest drawn on
metastasis was 3.25, and after truncation correction maximum, SUV was
6.05—a difference of 86%.
