Cardiac Radiography > Pathology > Pathologic Conditions > Lesions Presenting with Pulmonary Arterial Hypertension

Lesions Presenting with Pulmonary Arterial Hypertension

By far and away the most common cause of this abnormality in blood flow is chronic lung disease such as emphysema, cystic fibrosis, or pulmonary fibrosis. In these cases the abnormality of the lungs will usually be evident. When the lungs appear normal one should consider other causes such as primary (idiopathic) pulmonary hypertension, recurrent pulmonary emboli, vasculitis, and chronic hypoventilation. Rarely one might encounter a patient with an atrial septal defect (ASD) or other shunt who develops pulmonary hypertension as a result (Eisenmenger's syndrome).


This patient has pulmonary arterial hypertension evidenced by enlargement of the central pulmonary arteries with normal to small size peripheral vessels. 


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