Endocrine Abstracts

Neuromyelitis Optica (NMO) is a neuro-inflammatory condition usually presenting with optic nerve and spinal cord events, caused by autoimmunity to Aquaporin 4 (AQ4) channels in the central nervous system (CNS). The high density of AQ4 channels in the hypothalamus and area postrema mean that NMO can occasionally present with atypical features. We present a 56-year old South Asian man, who presented with hiccoughs and Syndrome of inappropriate antidiuretic hormone (SIADH ) and w...