Fig. 3

Nuclear Medicine technetium 99 m Sestamibi parathyroid scan with supplemental SPECT-CT imaging demonstrating a solitary focus of increased radiotracer uptake. From top to bottom, the rows of images demonstrate CT images, images reconstruction with attenuation correction (IRAC), and hybrid CT-IRAC SPECT-CT images, respectively. From left to right, the columns of images depict coronal, sagittal, and transaxial images, respectively. (A: anterior; R: right; S: superior)