Berger JR, Aksamit AJ, Clifford DB, Davis L, Koralnik IJ, Sejvar JJ, Bartt R, Major EO, Nath A (2013) PML diagnostic criteria: consensus statement from the AAN Neuroinfectious Disease Section. Neurology 80(15):1430–1438. https://doi.org/10.1212/WNL.0b013e31828c2fa1

Article  PubMed  PubMed Central  Google Scholar 

Chatterjee T, Roy M, Lin RC, Almoujahed MO, Ahmad S (2022) Pembrolizumab for the treatment of Progressive Multifocal Leukoencephalopathy (PML) in a patient with AIDS: a case report and literature review. IDCases 28:e01514. https://doi.org/10.1016/j.idcr.2022.e01514

Article  PubMed  PubMed Central  Google Scholar 

Cortese I, Muranski P, Enose-Akahata Y, Ha SK, Smith B, Monaco M, Ryschkewitsch C, Major EO, Ohayon J, Schindler MK, Beck E, Reoma LB, Jacobson S, Reich DS, Nath A (2019) Pembrolizumab Treatment for Progressive Multifocal Leukoencephalopathy. N Engl J Med 380(17):1597–1605. https://doi.org/10.1056/NEJMoa1815039

Article  CAS  PubMed  Google Scholar 

Elphick GF, Querbes W, Jordan JA, Gee GV, Eash S, Manley K, Dugan A, Stanifer M, Bhatnagar A, Kroeze WK, Roth BL, Atwood WJ (2004) The human polyomavirus, JCV, uses serotonin receptors to infect cells. Science 306(5700):1380–1383. https://doi.org/10.1126/science.1103492

Article  CAS  PubMed  Google Scholar 

Fan S, Liu M, Bai L, Chen S, Hou B, Lin N, Yuan J, Mao C, Niu J, Ren H, Zhao Y, Zhang Z, Zhu Y, Peng B, Guan H (2023) Pembrolizumab for the treatment of progressive multifocal leukoencephalopathy in China. J Neurovirol 29(6):692–698. https://doi.org/10.1007/s13365-023-01180-w

Article  CAS  PubMed  Google Scholar 

Jamilloux Y, Néel A, Lecouffe-Desprets M, Fèvre A, Kerever S, Guillon B, Bouvry D, Varron L, Redares C, Dominique S, Roux M, Chapelon-Abric C, Valeyre D, Ducray F, Bernard C, Broussolle C, Hamidou M, Sève P (2014) Progressive multifocal leukoencephalopathy in patients with sarcoidosis. Neurology 82(15):1307–1313. https://doi.org/10.1212/WNL.0000000000000318

Article  CAS  PubMed  Google Scholar 

Koralnik IJ (2006) Progressive multifocal leukoencephalopathy revisited: has the disease outgrown its name? Ann Neurol 60(2):162–173. https://doi.org/10.1002/ana.20933

Article  PubMed  Google Scholar 

McEntire CRS, Fletcher A, Toledano M, Epstein S, White E, Tan CS, Mao-Draayer Y, Banks SA, Aksamit AJ, Gelfand JM, Thakur KT, Anand P, Cortese I, Bhattacharyya S (2023) Characteristics of Progressive Multifocal Leukoencephalopathy Associated with Sarcoidosis without Therapeutic Immune suppression. JAMA Neurol 80(6):624–633. https://doi.org/10.1001/jamaneurol.2023.0841

Article  PubMed  PubMed Central  Google Scholar 

Nowak DA, Widenka DC (2001) Neurosarcoidosis: a review of its intracranial manifestation. J Neurol 248(5):363–372. https://doi.org/10.1007/s004150170175

Article  CAS  PubMed  Google Scholar 

Padgett BL, Walker DL, ZuRhein GM, Eckroade RJ, Dessel BH (1971) Cultivation of papova-like virus from human brain with progressive multifocal leucoencephalopathy. Lancet 1(7712):1257–1260. https://doi.org/10.1016/s0140-6736(71)91777-6

Article  CAS  PubMed  Google Scholar 

Shah R, Bag AK, Chapman PR, Curé JK (2010) Imaging manifestations of progressive multifocal leukoencephalopathy. Clin Radiol 65(6):431–439. https://doi.org/10.1016/j.crad.2010.03.001

Article  CAS  PubMed  Google Scholar 

Tan CS, Koralnik IJ (2010) Progressive multifocal leukoencephalopathy and other disorders caused by JC virus: clinical features and pathogenesis. Lancet Neurol 9(4):425–437. https://doi.org/10.1016/S1474-4422(10)70040-5

Article  CAS  PubMed  PubMed Central  Google Scholar 

Varmpompiti K, Westwood AJ, Ben-Joseph A, Sibtain N, Ibrahim MAA, Stanton B, Zuckerman M, Hadden R, Ritter LM (2023) Progressive multifocal leukoencephalopathy secondary to idiopathic CD4 lymphocytopenia treated with pembrolizumab. J Neuroimmunol 385:578248. https://doi.org/10.1016/j.jneuroim.2023.578248

Article  CAS  PubMed  Google Scholar 

Hohlfeld SK, Günthard HF, Zeitz J, Locher, Bachli E (2012) Progressive multi-focal leukoencephalopathy as a rare lethal complication in untreated sarcoidosis. BMJ case Rep 2012:bcr0320114036. https://doi.org/10.1136/bcr.03.2011.4036

Article  PubMed  PubMed Central  Google Scholar 

Pasquier D RA (2019) Pembrolizumab as a treatment for PML? Waiting for Godot. Neurology(R) Neuroimmunol Neuroinflammation 6(6):e629. https://doi.org/10.1212/NXI.0000000000000629