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. 2022 Jun 13;24(7):879–891. doi: 10.1007/s11886-022-01708-2

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© The Author(s) 2022, corrected publication 2022

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Fig. 7 — Radiolabeled leukocyte scintigraphy (^99mTc-HMPAO WBC) in a patient with suspected CIED infection. Planar images (A, top-down at 30 min, 6 h, and 20 h) after the injection of the radiopharmaceutical show an area of pathological leukocyte accumulation that at SPECT/CT (B, transaxial CT and superimposed SPECT/CT and D, MIP images) is localized at the level of the ICD pocket in the deep posterior portion. In addition, an area of radiopharmaceutical uptake is also evident at the level of the electro-catheter in the right intravascular and interatrial tract (C, superimposed SPECT/CT in transaxial, coronal, and sagittal views, respectively)