Fig. 2From: Multimodality radionuclide imaging in fever of unknown origin presenting with a solitary spleen lesion99mTc-HMPAO WBC scan (a) in anterior (left) and posterior (right) view at 2Â h p.i. did not detect any areas of pathological accumulation of the labeled cells. Fused axial (b) and coronal (c) slices demonstrated a photopenic area (white arrow) in the spleen inferior pole, corresponding to the hypermetabolic finding detected at 18F-FDG PET/CTBack to article page