CTICasesCardiac Fibroma
Imaging findings
Chest CT and cardiac MRI demonstrate a large, well-circumscribed, homogeneous myocardial mass arising from the left ventricular wall. The mass exhibits low signal intensity on both T1- and T2-weighted MR sequences, along with intense, diffuse, delayed gadolinium enhancement.
Key takeaways
Cardiac fibromas are benign congenital tumors composed of fibroblasts and dense collagen, typically presenting in children or young adults. Their heavily collagenous composition yields characteristic MRI findings of low T1 and T2 signal intensity with pronounced late gadolinium enhancement due to the expanded extracellular space.
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