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Cardiac hamartoma. A case report
A Tanimura1, M Kato, M Morimatsu
1Department of Pathology, Shimonoseki City Hospital, Japan.
Insights
A rare cardiac hamartoma was incidentally discovered during an autopsy. This benign heart tumor presented as a polypoid lesion at the apex, showing a mix of collagen, fat, and muscle cells.
Area of Science:
- Cardiovascular Pathology
- Surgical Pathology
Background:
- Cardiac hamartomas are rare, benign tumors typically found incidentally.
- Understanding their histological composition is crucial for accurate diagnosis.
Observation:
- A polypoid lesion was observed at the apex of the heart during an autopsy.
- The lesion was distinct from surrounding pericardial tissue.
Findings:
- Microscopic examination revealed dense collagenous tissue, mature adipose tissue, and proliferated blood vessels.
- Cardiac muscle cells were present, showing hypertrophy and disarray within the tumor.
Implications:
- This case contributes to the limited literature on cardiac hamartomas.
- Accurate identification of cardiac hamartomas is important to differentiate from malignant neoplasms.
Abstract:
A case of cardiac hamartoma, incidentally found at autopsy is described. The tumor was a protruded polypoid lesion located at the apex of the heart and was demarcated from the pericardial tissue. Microscopically this tumor was composed of dense collagenous tissue, mature adiposed tissue and proliferated blood vessels, intermingled with cardiac muscle cells, the latter being hypertrophic and disarrayed.