Ivory vertebra appearing photopenic on Tc-99m MDP bone scan: demonstration by SPECT/CT.

Abstract excerpt

We report the case of a 72-year-old man with prostate cancer, in whom Tc-99m MDP bone scintigraphy revealed a "superscan" pattern, except in a dorsal vertebra, which appeared photopenic. A low-dose SPECT/CT acquisition demonstrated that the lack of tracer uptake corresponded to a blastic lesion with no lytic component. Surprisingly, the cold vertebra appeared as an "ivory vertebra" on the CT part of the SPECT/CT...

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