Fig. 7From: The clinical value of xSPECT/CT Bone versus SPECT/CT. A prospective comparison of 200 scansOsteoarthritis Left Posterior Sacroiliac Joints. Detailed Legend: 35 yr. old female with lower back pain and degenerative changes in posterior synovial sacroiliac joints (white arrows). Single transaxial slice (all same slice): a SPECT, b xSPECT, c SPECT-CT, and d xSPECT-CT. Note the difficulty in identifying any abnormality in the SPECT slice (a)Back to article page