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Updated: Jun 6, 2026
07:10
A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury
Published on: March 31, 2023
Aortic valve fibroelastoma presenting with myocardial infarction
Hossein Eftekhari1, Ashequl Islam, Mara Slawsky
1Department of Cardiology, Baystate Medical Center, Tufts University School of Medicine, Springfield, Massachusetts, USA. hossein.eftekhari@baystatehealth.org
Summary
Cardiac fibroelastoma, a rare benign tumor, is the most common valvular tumor. Nonvalvular locations are rare and challenging to distinguish from other cardiac masses.
Area of Science:
- Cardiovascular Pathology
- Cardiac Oncology
Background:
- Fibroelastoma is a rare, benign cardiac tumor, ranking as the second most common primary cardiac tumor.
- It is the most frequent primary tumor affecting heart valves.
Observation:
- Nonvalvular endocardial location is uncommon and can be misdiagnosed as thrombus or myxoma.
- These tumors are characterized by a papillary, pedunculated, avascular structure with a single endothelial layer.
- Microscopically, they exhibit fine elastic fibrils in a hyaline stroma.
Findings:
- Fibroelastomas are often discovered incidentally during diagnostic procedures like echocardiography or cardiac catheterization.
- Symptomatic presentations are primarily cardiovascular, reflecting the tumor's location and impact.
Implications:
- Accurate differentiation of fibroelastoma from other cardiac masses is crucial for appropriate patient management.
- Understanding the histology and typical presentation aids in diagnosis and treatment planning for this rare cardiac neoplasm.
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