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Figure 2: To characterize the abnormal tracer uptake in the bilateral maxillary sinuses and rule out the metastatic lesion, SPECT- CT correlation was obtained. The SPECT-CT ([a] CT, [b] SPECT, and [c] SPECT-CT fusion) revealed mucosal thickening obliterating sinus space in the bilateral maxillary sinuses suggesting the uptake secondary to maxillary sinusitis. SPECT: Single-photon emission computed tomography, CT: Computed tomography |
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