A cardiac intimal sarcoma mimicking infective endocarditis.

Area of Science:

• Cardiology
• Oncology
• Pathology

Background:

• Primary malignant cardiac tumors are rare, posing diagnostic challenges.
• Misdiagnosis can delay critical therapeutic interventions.

Observation:

• A 73-year-old male presented with symptoms and echocardiographic findings suggestive of infective bacterial endocarditis affecting the mitral valve.
• Intraoperative assessment raised suspicion regarding the true nature of the mitral valve lesions.

Findings:

• Surgical excision of the mitral valve mass was performed.
• Pathologic examination confirmed the diagnosis of mitral valve sarcoma.

Implications:

• Accurate and timely diagnosis of rare cardiac tumors is crucial for effective treatment planning.
• This case underscores the importance of considering uncommon pathologies in differential diagnoses.
• Early oncological treatment was initiated following the definitive diagnosis.