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[Radiation proctocolitis following gynecologic radiotherapy: an endoscopic study]
J Gehrig1, W H Häcki, H K Schulthess
1Departement für Innere Medizin, Universitätsspital Zürich.
Schweizerische Medizinische Wochenschrift
|September 5, 1987
Summary
Radiation therapy for uterine or vaginal cancers can cause proctocolitis, a rectal and colon injury. Lower body mass and higher radiation doses increase the risk of these radiation injuries.
Area of Science:
- Gynecologic Oncology
- Radiation Oncology
- Gastroenterology
Context:
- Radiation therapy is a common treatment for uterine and vaginal cancers.
- Radiation-induced proctocolitis (RIP) is a known complication.
- Standardized assessment protocols are crucial for evaluating radiation injuries.
Purpose:
- To determine the prevalence of radiation injuries in patients treated for uterine or vaginal carcinoma.
- To identify risk factors associated with radiation-induced proctocolitis.
- To explore the relationship between radiation dose and injury incidence.
Summary:
- A study of 155 patients treated for uterine or vaginal cancer found a 32.9% prevalence of endoscopic proctitis.
- Clinical symptoms like bleeding and diarrhea were reported by 80.4% of affected patients, with a mean symptom onset of 9 months post-therapy.
- Low body mass and higher total radiation doses (above 40 Gy) were significantly associated with an increased risk of radiation proctocolitis.
Impact:
- Findings highlight the significant prevalence of radiation proctocolitis in gynecologic cancer patients.
- Identifies low body mass and radiation dose as key risk factors, informing patient selection and treatment planning.
- Emphasizes the need for standardized monitoring and management of gastrointestinal side effects following pelvic radiation therapy.