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Updated: Apr 11, 2026

Intestinal Epithelial Regeneration in Response to Ionizing Irradiation
Published on: July 27, 2022
Radiation proctopathy
Marc B Grodsky1, Shafik M Sidani2
1Section of Colon and Rectal Surgery, MedStar Washington Hospital Center, Washington, District of Columbia.
Radiation therapy for pelvic cancers can cause radiation proctitis, affecting up to 75% of patients. This review focuses on the diverse treatment options available for managing radiation-induced rectal injury.
Area of Science:
- Oncology
- Radiation Oncology
- Gastroenterology
Background:
- Pelvic malignancies like prostate, rectal, and cervical cancers are frequently treated with radiation therapy.
- The rectum's pelvic location places it at high risk for injury from ionizing radiation.
- Radiation proctitis, an adverse effect, impacts a significant portion of patients undergoing pelvic radiation.
Purpose of the Study:
- To summarize current knowledge on radiation proctopathy.
- To provide a comprehensive overview of available treatment options for radiation-induced rectal injury.
Main Methods:
- Literature review of radiation proctopathy.
- Synthesis of information on treatment modalities for radiation proctitis.
Main Results:
- Acute radiation proctitis affects up to 75% of patients.
- Chronic symptoms of radiation proctopathy occur in up to 20% of patients.
- Symptoms range from diarrhea and bleeding to incontinence and fistulization.
Conclusions:
- Radiation proctopathy is a common complication of pelvic radiation therapy.
- A wide range of treatment strategies exist for managing radiation-induced rectal injury.
- Understanding these treatment options is crucial for patient care.
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