Togher, Zara: Now you see me, now you don’t! – Rapid spontaneous resolution of aqueductal obstruction « Yap, Mei: Alemtuzumab-related thyroid disease in people with multiple sclerosis is associated with age and brainstem phenotype at disease onset » Almobaied, Mohamad Iyad: Progressive Multifocal Leukoencephalopathy – Immune Reconstitution Inflammatory Syndrome (PML-IRIS): a diagnostic muddle