Large cystic mass in the right atrium: multimodality imaging and pathologic features of a giant interatrial septal

Jamie M Weiss1, Mary Le, Shi-Kaung Peng

  • 1Division of Cardiology, Harbor-UCLA Medical Center, 1124 West Carson Street, RB2, Box 405, Torrance, CA, 90509, USA, jamieweissmd@gmail.com.

Insights

This case highlights how advanced imaging like echocardiography, CCT, and CMRI can diagnose interatrial septal aneurysms (ISA). Multimodality imaging aids in surgical planning and diagnosis of this rare cardiac mass.

Area of Science:

  • Cardiovascular Imaging
  • Cardiac Pathology

Background:

  • Interatrial septal aneurysm (ISA) is a rare cardiac anomaly.
  • Accurate diagnosis is crucial for appropriate management.

Observation:

  • A large mass in the right atrium was evaluated using echocardiography, cardiac computed tomography (CCT), and cardiac magnetic resonance imaging (CMRI).
  • Transesophageal echocardiography demonstrated high sensitivity for ISA detection.

Findings:

  • Multimodality imaging precisely characterized the size, location, and hemodynamic significance of the mass.
  • Pathology confirmed the mass as a cystic interatrial septal aneurysm.

Implications:

  • Non-invasive imaging is vital for diagnosing unusual cardiac masses like ISA.
  • Successful surgical excision was achieved based on detailed imaging insights.
  • This case underscores the value of integrated imaging approaches in cardiovascular diagnosis.

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