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Angiosarcoma Causing Cardiac Constriction Late after Radiation Therapy for Breast Carcinoma
Texas Heart Institute Journal
|April 6, 2016
Summary
Therapeutic radiotherapy can rarely cause sarcoma years later. A case of pericardial angiosarcoma, a rare post-radiation sarcoma, presented as constrictive pericarditis 8 years after breast cancer treatment.
Area of Science:
- Oncology
- Cardiovascular Pathology
- Radiotherapy
Background:
- Therapeutic radiotherapy for breast carcinoma can have long-term complications.
- Sarcomas are rare but serious sequelae of radiation therapy, often occurring years after treatment.
- Modern radiotherapy techniques aim to minimize radiation exposure to surrounding organs like the heart.
Observation:
- A 41-year-old woman developed constrictive pericarditis.
- The patient had a history of irradiation for left breast cancer 8 years prior.
- Imaging and biopsy confirmed pericardial angiosarcoma.
Findings:
- This case represents a rare instance of angiosarcoma of the pericardium.
- The diagnosis was made 8 years after the completion of therapeutic radiotherapy for breast carcinoma.
- This is only the second reported case of pericardial angiosarcoma following radiotherapy.
Implications:
- Highlights the importance of long-term surveillance for patients treated with radiotherapy.
- Suggests that even with modern techniques, radiation-induced sarcomas remain a possibility.
- Underscores the need for continued research into the mechanisms and prevention of radiation-induced sarcomas.
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