Robert Barket

1 Introduction Anti-IgLON5 disease was first described in a case series of eight patients who presented with a distinctive sleep disorder in 2014 [1]. Sleep-related abnormalities include vocalizations, movements or behaviors, and sleep-related breathing disorders with obstructive sleep apnea syndrome, stridor or central hypoventilation [2].

BMD bone mineral density BMI body-mass-index DMT disease-modifying treatment DXA dual-energy X-ray absorptiometry EDSS Expanded Disability Status Scale FN femoral neck FU follow-up GC glucocorticoid HC healthy controls hDMT highly effective treatment INF interferon LS lumbar spine m male mDMT moderately effective treatment mo month MP methylprednisolone MS multiple sclerosis n no na.

Introduction Odour perception is a complex neurobiological process in which various neuroanatomical structures are involved.1 Olfactory impairment, a common symptom in different neurological diseases like Alzheimer’s disease, Parkinson’s disease but also multiple sclerosis (MS),2–4 can occur at different stages of the olfactory perception.