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Hamartoma of Mature Cardiac Myocytes Mimicking Malignancy on 18F-FDG PET/CT Images

Jiang, Yang MSc; Ma, Xiaowei MD; Tan, Yanlin MD; Lu, Qingqing MSc; Wang, Yunhua MD

doi: 10.1097/RLU.0000000000002679
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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 18F-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 18F-FDG-avid primary focal cardiac mass is found in patients with malignant features on PET/CT imaging.

From the PET/CT Center, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China.

Received for publication April 2, 2019; revision accepted May 5, 2019.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Yunhua Wang, MD, PET/CT Center, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, Hunan 410011, People’s Republic of China. E-mail: 13973186448@139.com.

Online date: July 5, 2019

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