High Uptake Detection for Spinal Degenerative Changes: A Comparison Between Bone Scintigraphy and Single Photon Emission Computed Tomography Combined With High-Resolution Computed Tomography

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Figure 1
Forty-five-year-old male patient with pain in the thoracic spine region. The bone scan (bottom left) and the single photon emission computed tomography (CT) combined with high-resolution CT (top images) show high uptake in the facet joints of T7 to T10 bilaterally. The native CT (bottom right) reveals facet joint osteoarthritis.
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Figure 2
Seventy-eight-year-old female patient with lower back pain. The bone scan (top image) and the single photon emission computed tomography (CT) combined with high-resolution CT (bottom left) show high uptake in the right sacroiliac joint (SIJ). The native CT (bottom right) reveals SIJ osteoarthritis.
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Figure 3
The diagrams illustrate the prevalence of the high uptake in the specific regions of interest in bone scan vs SPECT/CT. Abbreviations: CT, computed tomography; SPECT/CT, single photon emission computed tomography combined with high-resolution CT.

Table

Sensitivity, specificity, and diagnostic accuracy of BS compared with SPECT.

Abbreviations: BS, bone scan; SPECT, single photon emission computed tomography.
Note: Elevated uptakes identified on BS were consistently observed on SPECT, but only about half of the uptakes detected on SPECT were visible on BS alone.