Bronchial Dieulafoy's disease: A series of seven cases with review of the literature.

Bronchial Dieulafoy's disease (BDD), remains poorly understood, with only 88 cases reported globally. Herein, we present the largest case series ( n  = 7) from a single centre, between 2017 and 2023, retrospectively reviewed, detailing clinical presentations, diagnoses, management and up to 4-year follow-up outcomes. Diagnosis relied on characteristic lesions detected through white light bronchoscopy with or without endobronchial ultrasound (EBUS) or narrow band imaging (NBI), along with computed tomography (CT) scans or bronchial angiography. Identification of aberrant vessels beneath lesions and bronchoscopy details were documented. Treatment modalities and follow-up outcomes until December 2023 were noted. All patients were non-smokers. Review of imaging findings by an experienced radiologist was crucial in suspected cases due to risk of bleeding and often unconclusive results from biopsy. Management of BDD varied, with six patients undergoing bronchial artery embolization (BAE) and one requiring lobectomy; four patients received additional endobronchial therapy, one died due to malignancy, none experienced recurrence of haemoptysis. Identifying patients with large volume haemoptysis disproportionate to parenchymal disease in CT scans is important. A bronchoscopic surveillance is crucial to avoid biopsy; it can be confirmed using EBUS of NBI. While no established guidelines exist, BAE and endobronchial therapy emerge as valuable interventions, with surgical resection reserved for recurrent cases.