Key Points: On weight bearing CT (WBCT) scans of healthy subjects, the AP axis was…
In the past five years, cone beam CT technology has been incorporated into an increasing number of orthopedic clinics and hospital orthopedic departments. When a radiologist reviews a CT volume captured from an orthopedic cone beam CT device, he or she will likely observe that trabecular bony detail is comparable to or even superior to those acquired from a conventional medical CT system.
What a radiologist may not realize is that filters and kernels applied during reconstruction are set to accentuate hard tissue and bone, and are not changeable. Therefore, soft tissue windowing is limited. A radiologist may also not realize that the effective dose of cone beam CT scans is typically significantly lower than a scan of the same body part on the low dose settings of a conventional medical CT.
CurveBeam has put together an introductory primer for radiologists that details the differences between cone beam and traditional CT volumes.
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