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Enlarging left atrial haemangioma in a patient with Cowden syndrome
  1. Anthony Lamanna1,
  2. Ruth P Lim1,
  3. Lee Pheng Yap1,
  4. Julian Maingard2 and
  5. Siven Seevenayagam3
  1. 1 Department of Radiology, Austin Health, Heidelberg, Victoria, Australia
  2. 2 Department of Radiology, Monash Health, Clayton, Victoria, Australia
  3. 3 Department of Thoracic Surgery, Austin Health, Heidelberg, Victoria, Australia
  1. Correspondence to Dr Anthony Lamanna, anton.lamanna92{at}


A 53-year-old female patient known to have Cowden disease (PTEN mutation positive) was found to have a mass at the left atrium on a CT coronary angiography performed as part of a preoperative workup for an unrelated surgery. Further radiological characterisation of the lesion was achieved using MRI and positron emission tomography. Interval growth prompted surgical excision; however, surgery was expedited after the patient presented with haemopericardium and cardiac tamponade. The patient was discharged home 8 days postoperatively, and no intraoperative or postoperative complications were encountered. A diagnosis of cavernous haemangioma was made on histology.

  • hemangioma
  • radiology
  • cardiothoracic surgery
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  • Contributors All authors had a significant contribution to this manuscript. AL and SS formulated the idea of the manuscript; however, all authors contributed to the planning and design of the report. Additionally, all authors critically revised the manuscript and approved the final version for publication. Interpretation of data was performed by all authors.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.

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