CTICasesLeft Atrial Myxoma
Imaging findings
CT chest shows a large, lobulated, mobile mass in the left atrium, which is anchored to the interatrial septum and prolapses near the mitral valve, showing heterogeneous enhancement.
Key takeaways
Left atrial myxoma is the most common primary cardiac tumor. It classically arises from the fossa ovalis of the interatrial septum. Key imaging features include a lobulated, mobile, minimally enhancing mass that can cause mechanical mitral obstruction and heart failure.
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