What could be the most probably diagnosis of the following mass?
A – Cardiac thrombus B – Hydatid cyst C – Atrial Myxoma D – Large mitral fibroelastoma
Right answer is C: Atrial Myxoma
Cardiac myxomas are the most common benign primary cardiac tumour to present in adulthood.
75–80% of myxomas arise in the left atrium.
Myxomas usually appear as well-defined, smooth, oval or lobular lesions that are commonly pedunculated. Myxomas typically appear: on cine SSFP sequences, hyperintense compared with normal myocardium and hypointense compared with the blood pool; on T1 weighted, isointense; on T2 weighted, hyperintense; on post-contrast sequences, heterogeneous.
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