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Biatrial primary synovial sarcoma of the heart

Qiong Zhao1, Alexander S Geha, Stephen R Devries

  • 1Section of Cardiology, Department of Medicine, The University of Illinois at Chicago School of Medicine, Chicago, Illinois 60612, USA. qiongzhao@yahoo.com

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|February 6, 2007
PubMed

Insights

Primary biatrial synovial sarcoma is a rare heart cancer. This aggressive tumor, often affecting young males, has a poor prognosis and requires multimodal treatment including surgery and chemotherapy.

Area of Science:

  • Cardiovascular Pathology
  • Oncology
  • Molecular Diagnostics

Background:

  • Synovial sarcoma primarily originating in the heart and pericardium is exceptionally rare, particularly when affecting both atria.
  • Few documented cases exist, highlighting the rarity and diagnostic challenges of this condition.

Observation:

  • A 36-year-old male presented with a primary biatrial synovial sarcoma involving the tricuspid annulus, heart valves, and interatrial septum.
  • Tumor debulking was performed to alleviate atrioventricular obstruction.
  • Molecular analysis confirmed synovial sarcoma with the characteristic t(X;18) SYT-SSX gene fusion.

Findings:

  • Review of 20 reported cases indicates a predilection for young male patients.
  • The condition carries a poor prognosis, with early detection being difficult due to its aggressive nature.
  • The t(X;18) SYT-SSX gene fusion is a key diagnostic marker.

Implications:

  • Wide surgical resection is the primary therapeutic approach for localized disease.
  • Adjuvant radiation therapy and chemotherapy may offer limited benefits for local recurrence and systemic disease control, respectively.
  • Further research is needed to improve outcomes for this rare and aggressive cardiac malignancy.

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