Hamartoma of mature cardiac myocytes should be considered in the differential diagnosis of an 18F-FDG-avid primary focal cardiac mass with malignant features on PET/CT.
Adds cardiac hamartoma to the differential diagnosis for highly avid masses; leaves open whether.
Hamartoma of mature cardiac myocytes is an extremely rare type of benign cardiac tumor with a slow growth rate and generally occurs in adults. We report a case with hamartoma of mature cardiac myocytes of the right auricle demonstrating intense F-FDG uptake and a large amount of pericardial effusion on PET/CT mimicking malignancy in a 41-year-old man. Hamartoma of mature cardiac myocytes should be considered among the differential diagnoses when an F-FDG-avid primary focal cardiac mass is found in patients with malignant features on PET/CT imaging.
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Ma et al. (2019) studied this question.
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