Skin and Connective Tissue Diseases Commons^™

A Bullous Eruption In An 81-Year-Old Male, Garrett S. Furth, Christian J. Scheufele, Carlos S. Bahrami, Stephen E. Weis

North Texas Research Forum 2024

INTRODUCTION: When a patient presents with a blistering rash arriving at the diagnosis can seem overwhelming. Bullous Pemphigoid (BP) is the most common autoimmune blistering disease and tends to affect older individuals, with a mean age of presentation of eighty. It is caused by antibodies targeting the basement membrane zone, the structure between epidermis and dermis, specifically affecting the BP180 (Type-XVII collagen) and BP230 (a plakin) proteins. Antibody-antigen complexes lead to complement activation and destruction of these transmembrane proteins, causing separation of the epidermis and dermis, and formation of tense, subepidermal blisters and bullae. Identification of key clinical features and …