{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T04:30:59Z","timestamp":1788582659475,"version":"build-2803163510"},"reference-count":16,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Internal Medicine Journal"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Anti\u2010\n                    <jats:italic>N<\/jats:italic>\n                    \u2010methyl\u2010D\u2010aspartate receptor (anti\u2010NMDAR) GluN1\u2010IgG antibodies are the hallmark of anti\u2010NMDAR encephalitis, a common type of autoimmune encephalitis. We describe two men with seizures and asymmetric, mass\u2010like temporal lesions initially treated as anti\u2010NMDAR encephalitis: Case 1 had serum and cerebrospinal fluid (CSF) NMDAR\u2010IgG antibodies and Case 2 had serum\u2010only (post\u2010treatment CSF negative) antibodies. Both showed poor immunotherapy response, fluorodeoxyglucose\u2010avid infiltrative disease and biopsy\u2010proven glioblastoma, isocitrate dehydrogenase wildtype. Antineuronal antibody positivity can be misleading when the clinical and imaging picture are discordant. The current cases highlight the need to apply strict criteria, use short\u2010interval imaging and perform biopsy early in antibody\u2010positive mimics of autoimmune encephalitis.\n                  <\/jats:p>","DOI":"10.1111\/imj.70394","type":"journal-article","created":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T08:52:01Z","timestamp":1775033521000},"page":"897-901","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Glioblastoma mimicking anti\u2010\n                    <scp>NMDA<\/scp>\n                    receptor encephalitis: a case series"],"prefix":"10.1111","volume":"56","author":[{"given":"Sophie","family":"Chatterton","sequence":"first","affiliation":[{"name":"Department of Neurology Royal North Shore Hospital  St Leonards New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6421-8074","authenticated-orcid":false,"given":"Fangzhi (Frank)","family":"Jia","sequence":"additional","affiliation":[{"name":"Department of Neurology Royal North Shore Hospital  St Leonards New South Wales Australia"},{"name":"Faculty of Medicine and Health University of Sydney  Sydney New South Wales Australia"},{"name":"School of Clinical Medicine, Faculty of Medicine and Health, UNSW  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonia J.","family":"Clarke","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Health University of Sydney  Sydney New South Wales Australia"},{"name":"Department of Neurology Royal Prince Alfred Hospital  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laveniya","family":"Satgunaseelan","sequence":"additional","affiliation":[{"name":"Department of Neuropathology Royal Prince Alfred Hospital  Camperdown New South Wales 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