{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,3]],"date-time":"2025-09-03T10:41:27Z","timestamp":1756896087875,"version":"3.37.3"},"reference-count":27,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,12,13]],"date-time":"2021-12-13T00:00:00Z","timestamp":1639353600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Progressive multifocal leukoencephalopathy (PML), a demyelinating disease of the brain, caused by the John Cunningham virus (JCV) is usually seen in patients who are immunocompromised. Here, we describe a case of an immunocompetent patient diagnosed with PML and a comprehensive literature review. A 64\u2010year\u2010old Caucasian male presented with acute worsening of progressive neurological decline with difficulty in vision and reading. Based on history, examination, cerebrospinal fluid markers, histopathology, and magnetic resonance imaging brain at the time of presentation diagnosed the patient with PML in a setting of no immunosuppression disorder. The patient was started on Pelfilgrastim with significant systematic improvement. In our literature review, it was seen that the average age of symptom presentation was 57.5 with predominance in males. Most of the patients presented with progressive neurological deficits with symptomology ranging from mild confusion, aphasia, anxiety to sensory disturbances with numbness, hemiparesis, and hemianopsia. Out of the 21 cases, patients responded to mirtazapine and intravenous pulse methylprednisolone (IVMP). The mortality rate was close to 50% with 11 fatal cases and 10 nonfatal cases. Our case and literature review demonstrate the possibility that PML may very rarely occur in patients that are immunocompetent. Furthermore, our review showed that patients responded well to mirtazapine and IVMP. We also want to highlight that the mortality rate was lower in this review and was only compared to mortality in PML associated with immunocompromised status.<\/jats:p>","DOI":"10.1002\/jmv.27493","type":"journal-article","created":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T08:58:10Z","timestamp":1638435490000},"page":"2860-2869","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Progressive multifocal leukoencephalopathy in an immunocompetent patient: A case report and review of literature"],"prefix":"10.1002","volume":"94","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6844-3287","authenticated-orcid":false,"given":"Shitiz","family":"Sriwastava","sequence":"first","affiliation":[{"name":"Department of Neurology, Rockefeller Neuroscience Institute West Virginia University Morgantown West Virginia USA"},{"name":"Department of Neurology Wayne State University Detroit Michigan USA"},{"name":"Department of Clinical Research West Virginia Clinical and Translational Science Institute Morgantown West Virginia USA"},{"name":"Department of Neuroradiology, Rockefeller Neuroscience Institute West Virginia University Morgantown West Virginia USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erum","family":"Khan","sequence":"additional","affiliation":[{"name":"Department of Medicine B.J. Medical College and Civil Hospital Ahmedabad India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Syed H.","family":"Khalid","sequence":"additional","affiliation":[{"name":"Department of Neurology, Rockefeller Neuroscience Institute West Virginia University Morgantown West Virginia USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arshdeep","family":"Kaur","sequence":"additional","affiliation":[{"name":"Department of Neurology Wayne State University Detroit Michigan USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Parissa","family":"Feizi","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology, Rockefeller Neuroscience Institute West Virginia University Morgantown West Virginia 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