Research article Open access
Pulmonary Artery Narrowing: A Less Known Cause for Massive Hemoptysis
Chronic pulmonary artery narrowing may result from diverse causes; congenital as well as acquired. The relative hypoperfusion of the lung results in hypertrophy of multiple systemic arteries. Such patients can present with recurrent hemoptysis from hypertrophied systemic arteries, most commonly bronchial arteries. Thes …