CTICasesMethamphetamine-induced pulmonary arterial hypertension
Imaging findings
Chest radiograph and CT show severe dilation of the main and branch pulmonary arteries, right heart chamber enlargement, and the absence of pulmonary venous congestion or chronic thromboembolic disease.
Key takeaways
Methamphetamine abuse is a well-recognized cause of severe, drug-induced pulmonary arterial hypertension. The imaging findings are identical to idiopathic pulmonary arterial hypertension, and a detailed clinical history is essential for etiology.
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