Abstract
Purpose
This is a prospective non-randomized observation study done on 33 patients with uncomplicated spinal tuberculosis to observe the imaging characteristics on sequential F-18 FDG PET CT scans.
Methods
33 consecutive patients with pathologically proven spinal tuberculosis underwent a baseline contrast-enhanced whole body FDG PET scan before initiation of antitubercular therapy, 6 and 12 months and at 18 months or the end of antitubercular therapy.
Result
The baseline peak SUVmax of lesions in our 33 cases had values ranging from 5.9 to 30.3 (mean 14.8). 63.6 % patients had clinically occult non-contiguous multifocal skeletal involvement at the time of the baseline whole body PET CT scanning. The mean change in SUVmax at various time points was highly significant (p value < 0.001).
Conclusion
SUVmax can be taken as a reliable marker for serial quantification of metabolic activity in spinal tuberculosis. This may translate into a potential role for FDG as an imaging biomarker for noninvasive response evaluation in skeletal tuberculosis.
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Dureja, S., Sen, I.B. & Acharya, S. Potential role of F18 FDG PET-CT as an imaging biomarker for the noninvasive evaluation in uncomplicated skeletal tuberculosis: a prospective clinical observational study. Eur Spine J 23, 2449–2454 (2014). https://doi.org/10.1007/s00586-014-3483-8
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DOI: https://doi.org/10.1007/s00586-014-3483-8