Sjögren disease and idiopathic inflammatory myopathy overlap presenting as complement-mediated thrombotic microangiopathy/atypical haemolytic uremic syndrome with a complement factor B variant: A case report.
Complement-mediated thrombotic microangiopathy (CM-TMA) is often triggered by autoimmune diseases; however, reports of CM-TMA in patients with Sjögren disease (SjD) and idiopathic inflammatory myopathy (IIM) are limited. We describe the case of a 48-year-old woman with overlapping SjD and IIM who presented with interst...