Asymmetrical muscular disorder with normal creatine kinase (CK) and electromyography (EMG): the challenging diagnosis of muscular polyarteritis nodosa (MPAN), case report and literature review. - Dib A; Lequain H; Fenouil T; Pegat A; Petiot P; Barta A; Mayard C; Balletti A; Virot E; Pascu I; Hot A; Gallay L (Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2026)