high-dose corticosteroid therapytolvaptanAutoimmune small-vessel cerebral vasculitistype 1 diabetes mellitusautoimmune small-vessel vasculitiscyclophosphamideautoimmune small-vessel CNS vasculitishypothyroidismautoimmune small-vessel central nervous system (CNS) vasculitisSIADH
…roidism). Despite resolution of inflammatory activity following high-dose corticosteroid therapy, profound hyponatraemia (serum sodium 110–120 mmol/L) persisted…