Primary cardiac angiosarcoma: morphologically deceptive benign appearance and potential pitfalls in diagnosis

Area of Science:

• Cardiology
• Oncology
• Pathology

Background:

• Cardiac angiosarcoma is the most common primary malignant tumor of the heart.
• Primary cardiac tumors are rare, with angiosarcoma being the most frequent malignant type.

Observation:

• The case involved recurrent complex pericardial effusion.
• The patient presented with symptoms related to the pericardial effusion.

Findings:

• Histological diagnosis of cardiac angiosarcoma was challenging.
• Difficulty in differentiating the tumor from normal vascular endothelium was noted.

Implications:

• Highlights the diagnostic challenges in cardiac angiosarcoma.
• Underscores the importance of careful histological examination in suspected cardiac tumors.
• Suggests potential need for advanced diagnostic techniques when histology is equivocal.