Thyroid ectopia is a rare, congenital phenomenon. Ectopic thyroid tissue located within the heart is extremely rare, with less than 30 cases ever reported. We present one such case with, what we believe, is a unique presentation.A 46 year old woman presented with chest pain. Echocardiogram demonstrated a right ventricular mass which was later excised and found to be thyroid tissue. Multiple investigations failed to demonstrate any further abnormality and a diagnosis of intra-cardiac thyroid ectopia was made.
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