Hypersensitivity pneumonitis as a rare cause for symmetrical giant bullous disease

Hintergrund: This is to present a rare case of symmetrical giant bullous disease due to hypersensitivity pneumonitis. Patient, Methode und Ergebnis: A 35-year-old female patient presented with a history of exertion dyspnoea for the past 20 years. This life time non-smoker is otherwise healthy with no prior history of lung disease. She experienced two fires at the age of 15 with exposure to smoke, she had exposure to mold for two years at the age of 23, and had animals such as cockatiel, dog, cat, gecko, and turtle during her childhood. Computed tomography of the chest revealed symmetrical apical giant bullous le…