Figure FDG-PET, lymph node biopsy, and brain MRI

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Presentation transcript:

Figure FDG-PET, lymph node biopsy, and brain MRI FDG-PET, lymph node biopsy, and brain MRI (A) FDG PET CT coronal and sagittal images, showing diffusely increased FDG uptake in the bilateral cerebellar hemispheres. Increased FDG uptake was also seen in the right axillary and mesenteric lymph nodes. (B) H&E stain of the right axillary lymph node biopsy with histology finding of noncaseating granuloma. Stains for microorganism were negative (Warthin-Starry, Gomori methenamine silver, acid-fast bacillus). (C–E) Brain MRI performed 2 days before FDG PET. (C) Axial T1 precontrast sequence with mild generalized volume loss and mega cisterna magna. (D) Axial T1 postcontrast sequence with no abnormal enhancement. (E) Axial T2 sequence with no signal abnormalities. FDG PET = fluorodeoxyglucose positron emission tomography; H&E = hematoxylin and eosin. Yujie Wang et al. Neurol Neuroimmunol Neuroinflamm 2018;5:e506 Copyright © 2018 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.