CTICasesPulmonary Artery Intimal Sarcoma
Imaging findings
CT shows a large mass in the left hilum invading and growing along the lumen of the left pulmonary artery. The biopsy shows smooth muscle differentiation, consistent with intimal sarcoma. Treatment is pneumonectomy.
Key takeaways
Pulmonary artery intimal sarcoma is a rare malignant tumor arising from the intima of the pulmonary arteries, often mimicking chronic thromboembolic disease. It typically grows along the vessel lumen and requires aggressive surgical resection such as pneumonectomy.
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