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FIG 3. A, Posterior view at 24 hours from a 111In-labeled leucocyte examination shows increased uptake in the right tentorium cerebelli (arrow). A focus of increased uptake is also visible in the left lung (arrowhead), which correlated with a cavitating nodule on a high-resolution CT scan.
B and C, Coronal (B) and sagittal (C) images from a 99mTc-HMPAO-labeled leucocyte SPECT examination show increased uptake in the right tentorium cerebelli (arrows).
D, Coronal contrast-enhanced T1-weighted (500/9/2) SE MR image shows thickening and enhancement of the right tentorium cerebelli (arrows).
E, Normal intracranial appearance after treatment with anti-CD52. Note focus of increased uptake in the right lung (arrow).
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