AQP4-IgG positivity in probable neurosarcoidosis presenting as cervicomedullary myelitis: A diagnostic challenge.

Murillo D J S, Haslam A X, Lezama A R, Moreno C, Mayorga R M, Baldioceda C D P

J Neuroimmunol. 2026 May 23; 418:578975. PMID: 42190341. Abstract