Internal Medicine Commons^™

Refractory Abdominal Pain In A Patient With Chronic Lymphocytic Leukemia: Be Wary Of Acquired Angioedema Due To C1 Esterase Inhibitor Deficiency., Abdullateef Abdulkareem, Ryan S D'Souza, Joshua Mundorff, Pragya Shrestha, Oluwaseun Shogbesan, Anthony Donato

Reading Hospital Internal Medicine Residency

Acquired angioedema due to C1 inhibitor deficiency (C1INH-AAE) is a rare and potentially fatal syndrome of bradykinin-mediated angioedema characterized by episodes of angioedema without urticaria. It typically manifests with nonpitting edema of the skin and edema in the gastrointestinal (GI) tract mucosa or upper airway. Edema of the upper airway and tongue may lead to life-threatening asphyxiation. C1INH-AAE is typically under-diagnosed because of its rarity and its propensity to mimic more common abdominal conditions and allergic reactions. In this article, we present the case of a 62-year-old male with a history of recently diagnosed chronic lymphocytic leukemia (CLL) who presented …