Cold Agglutinin Disease

Cold Agglutinin Disease

TL;DR Cold Agglutinin Disease (CAD) is a form of autoimmune hemolytic anemia caused by IgM autoantibodies that agglutinate red blood cells at cold temperatures, leading to complement-mediated hemolysis. Causes ▾: It can be primary (idiopathic) or secondary to...
Eosinophilic Esophagitis (EoE)

Eosinophilic Esophagitis (EoE)

TL;DR Eosinophilic esophagitis (EoE) is a chronic, immune/antigen-mediated esophageal disease. It’s characterized by eosinophil-predominant inflammation. Epidemiology ▾: Increasing prevalence, particularly in children and young adults. Male predominance. Linked...
AL Amyloidosis (Primary Amyloidosis)

AL Amyloidosis (Primary Amyloidosis)

TL;DR AL amyloidosis is a systemic disease caused by a clonal plasma cell disorder, leading to the production and deposition of abnormal light-chain amyloid fibrils in organs and tissues. Pathophysiology ▾: Abnormal plasma cells overproduce light chains that misfold,...