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Related Experiment Video

Updated: Jun 23, 2025

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
06:29

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Published on: June 11, 2019

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Atrial Myxoma: Presenting as a Large Splenic Infarction.

Ayesha Khalid1, Shehnaz Wasim1, Alan Kaell2

  • 1Internal Medicine, Mather Hospital Northwell Health, Port Jefferson, USA.

Cureus
|June 17, 2024
PubMed
Summary
This summary is machine-generated.

Left atrial myxoma, a common benign heart tumor, can present unusually with splenic infarction. This case highlights the importance of considering cardiac myxoma in the differential diagnosis of splenic infarction.

Keywords:
asymptomatic myxomacarney syndromelarge atrial myxomasplenic infarctiontransthoracic echocardiogram

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Last Updated: Jun 23, 2025

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Area of Science:

  • Cardiology
  • Oncology
  • Pathology

Background:

  • Cardiac myxomas are the most frequent primary benign heart tumors, typically found in the left atrium.
  • Manifestations include constitutional symptoms, obstruction, and embolic events, potentially leading to stroke, myocardial infarction, or ischemia.

Observation:

  • A middle-aged female presented with abdominal pain and splenic infarction on CT scan, with no history of autoimmune or hypercoagulable conditions.
  • Evaluation revealed a large left atrial myxoma, surgically resected and confirmed by biopsy.

Findings:

  • Despite its large size and irregular morphology, the left atrial myxoma did not cause congestive heart failure.
  • The tumor's surface characteristics and mobility are hypothesized to have caused splenic embolization.

Implications:

  • This case underscores that splenic infarction can be an atypical presentation of a left atrial myxoma.
  • Cardiac myxoma should be included in the differential diagnosis for splenic infarction, especially in the absence of other risk factors.