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Right ventricular mass: intracardiac ectopic thyroid tissue: a case report.

Murat Bulent Rabus1, Nertila Poçi, Fatih Yılmaz

  • 1Department of Cardiovascular Surgery, Kartal Kosuyolu Education and Research Hospital, Istanbul, Turkey.

Echocardiography (Mount Kisco, N.Y.)
|September 19, 2014
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Summary

Ectopic thyroid tissue, a rare embryonic developmental anomaly, can present as an intracardiac mass. Surgical removal of this follicular adenoma offers a good prognosis.

Keywords:
intracardiacthree-dimensional echocardiographythyroid

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Area of Science:

  • Embryonic development and developmental anomalies.
  • Cardiovascular pathology and diagnostics.
  • Endocrine surgery and surgical pathology.

Background:

  • Ectopic thyroid tissue arises from abnormal embryonic migration of thyroid progenitor cells.
  • While commonly found at the tongue base, rare presentations include extrathyroidal sites.
  • Intracardiac locations are exceptionally rare, posing diagnostic challenges.

Observation:

  • A young patient presented with an intracardiac mass.
  • Three-dimensional echocardiography was crucial for initial diagnosis.
  • Surgical intervention was successfully performed.

Findings:

  • Histological examination confirmed the intracardiac mass as a follicular adenoma, a type of ectopic thyroid tissue.
  • The mass was successfully excised surgically.

Implications:

  • This case highlights the importance of considering rare ectopic thyroid presentations in cardiovascular diagnostics.
  • Successful surgical excision of intracardiac follicular adenoma leads to a favorable prognosis.
  • Further research into the embryogenesis of ectopic thyroid tissue may elucidate mechanisms for such rare occurrences.