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Irradiation injury to large arteries
The British Journal of Surgery
|May 1, 1980
Summary
Radiation can damage large arteries, leading to three injury patterns: intimal damage with thrombosis within 5 years, fibrotic occlusion within 10 years, or atheroma and fibrosis after 20 years. Bypass surgery is the recommended treatment for these arterial lesions.
Area of Science:
- Vascular Surgery
- Radiation Oncology
- Pathology
Background:
- Large artery irradiation injury is a recognized complication of radiotherapy.
- Understanding the temporal patterns of injury is crucial for timely diagnosis and management.
Observation:
- Review of four cases of irradiation injury to large arteries.
- Identification of three distinct patterns of vascular damage following radiation exposure.
Findings:
- Pattern 1: Intimal damage with mural thrombosis, presenting within 5 years post-irradiation.
- Pattern 2: Fibrotic arterial occlusion, typically observed within 10 years.
- Pattern 3: Atheroma development and periarterial fibrosis, with a latent interval of 20+ years.
Implications:
- Early detection of intimal damage and thrombosis is vital.
- Recognizing fibrotic occlusion aids in surgical planning.
- Long-term surveillance is necessary for late-onset atheroma and fibrosis.
- Arterial bypass grafting is the preferred treatment modality for these radiation-induced arterial lesions.