Progressive Multifocal Leukoencephalopathy with Negative JC Virus PCR following Treatment of Follicular Lymphoma: Implications for Biologics in the Era of Targeted Cancer Therapy

<div>PET scan of the brain showing no hypermetabolic lesions in the brain to suggest lymphoma. Hypometabolism is seen in the right frontal operculum and left frontal vertex. There is a larger area of subtle asymmetric decreased FDG activity seen in posterior left frontal lobe and left parietal lobe.</div>

Case Reports in Oncological Medicine

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Figure 4

Figure 4: Progressive Multifocal Leukoencephalopathy with Negative JC Virus PCR following Treatment of Follicular Lymphoma: Implications for Biologics in the Era of Targeted Cancer Therapy 

Figure 4 | Progressive Multifocal Leukoencephalopathy with Negative JC Virus PCR following Treatment of Follicular Lymphoma: Implications for Biologics in the Era of Targeted Cancer Therapy 