Fig. 5.
Radiolabeled leukocyte scintigraphy (99mTc-HMPAO WBC) in a patient with suspected prosthetic aortic valve IE. Planar images (right panel top-down at 30 min, 6 h, and 20 h) after the injection of the radiopharmaceutical and SPECT/CT (upper panel, transaxial CT and superimposed SPECT/CT, lower panel transaxial superimposed SPECT/CT at different levels) showing selective uptake on the anterior aspect of the aortic valve prosthesis (images were acquired on Discovery-670, GE Healthcare)