Bronchial artery to pulmonary artery fistula in a patient with cavitating tuberculosis—Demonstration with 4D CTA

Résumé fourni par la source

We present a case of a bronchial artery to pulmonary artery fistula. This occurred in a 77-year-old male of Bangladeshi ethnicity with a new diagnosis of cavitating pulmonary tuberculosis. A 4D CTA protocol was required to elicit the nature of the vascular abnormality. Fistula between bronchial and pulmonary arteries is an uncommon phenomenon, with few published cases. This case demonstrates the difficulty with which these fistulae are imaged. 4D CTA is a technique that is increasingly being shown to be useful in characterizing vascular anomalies such as fistulae, with embolization as the mainstay of treatment.

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