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CORRESPONDENCE
Year : 2013  |  Volume : 9  |  Issue : 3  |  Page : 490-492

Imaging of dedifferentiated papillary thyroid carcinoma with left ventricular metastasis: A rare presentation of papillary thyroid metastatic disease


1 Interventional Radiology Center, Johns Hopkins Medical Institute, Baltimore, Maryland, USA
2 Divisions of Nuclear Medicine and Cardiothoracic Imaging, Department of Diagnostic Radiology, University Hospitals Case Medical Centre/Case Western Reserve University, Cleveland, Ohio, USA
3 Harrington-McLaughlin Heart and Vascular Institute, University Hospitals Case Medical Centre/Case Western Reserve University, Cleveland, Ohio, USA

Correspondence Address:
Hooman Yarmohammadi
Interventional Radiology Center, Sheikh Zayed Tower, Suite 7203, The Johns Hopkins Hospital, 1800 Orleans Street, Baltimore, Maryland 21287
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.119307

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Cardiac metastasis in thyroid cancer is extremely rare. Iodine-131-d whole-body scan has been used widely to detect thyroid metastasis. However, in dedifferentiated cases, iodine scan has low diagnostic value particularly for diagnosing cardiac metastasis. In the absence of 131 I uptake, 18 F-fluoro-2-deoxyglucose positron emission tomography ( 18 F-FDG PET) can be used as an alternative and has a high sensitivity for thyroid metastasis, but still low sensitivity for cardiac metastasis. Therefore, meticulous attention to the pattern of uptake and comparison with patients' previous studies is critical. Additionally, cardiac magnetic resonance imaging (MRI) can provide additional and critical information.


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