Recurrent Oral Blisters in an Elderly Female: A Diagnosis of Exclusion

Vollständiger Abstract

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Abstract Angina bullosa hemorrhagica (ABH) is a rare, benign condition characterized by the sudden appearance of blood-filled blisters in the oral cavity, typically in the absence of systemic, hematological, or mucocutaneous disorders. These lesions often arise spontaneously or following minor trauma and tend to rupture quickly, healing without scarring. We report the case of a 74-year-old female who presented with well-defined hemorrhagic blisters in the oral mucosa. The lesions developed abruptly, ruptured spontaneously, and resolved without intervention. Clinical examination and history revealed no evidence of underlying systemic disease, coagulopathy, or dermatological condition. The diagnosis of ABH was made based on characteristic clinical features and exclusion of other causes of oral bullous lesions. This case highlights the importance of recognizing ABH to avoid unnecessary diagnostic procedures and to differentiate it from other serious conditions such as autoimmune mucocutaneous disorders and bleeding diatheses. Increased awareness among clinicians can aid in prompt diagnosis and appropriate patient reassurance.