Cardiac Myxoma: From Pathogenesis to Management
Yikemaiti Tusongjiang1, Hao Cui
1From the Department of Cardiovascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Cardiology in Review
|June 10, 2026
Summary
Cardiac myxoma, a common benign heart tumor, can cause severe issues due to its location and embolization risk. Understanding its genetics, like PRKAR1A mutations, aids diagnosis and treatment.
Area of Science:
- Cardiology
- Oncology
- Genetics
Background:
- Cardiac myxoma is the most frequent primary benign cardiac neoplasm.
- Despite being benign, its location and embolization potential pose significant clinical risks.
- Understanding its origins and genetic factors is crucial for effective management.
Purpose of the Study:
- To review the epidemiology, pathology, and molecular genetics of cardiac myxoma.
- To discuss clinical presentation, diagnostic methods, and surgical advancements.
- To highlight the importance of long-term follow-up, especially in familial cases.
Main Methods:
- Literature review of epidemiological, pathological, and molecular genetic data.
- Analysis of clinical presentation, imaging, and diagnostic approaches.
- Examination of recent surgical management strategies and genetic mechanisms, including PRKAR1A gene mutations.
Main Results:
- Cardiac myxomas are characterized by specific epidemiological and pathological features.
- Mutations in the PRKAR1A gene are implicated in cardiac myxoma development.
- Advances in imaging and understanding molecular pathways improve diagnosis and treatment.
Conclusions:
- Early diagnosis and personalized treatment are enhanced by improved imaging and molecular insights.
- Long-term follow-up is essential for managing cardiac myxoma, particularly familial forms.
- The stem cell origin hypothesis offers a potential framework for understanding myxoma development.
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