Curbside Consultation of the Colon: 49 Clinical Questions

Brooks D. Cash, MD, FACP, CDR, MC, USN

Question 36: A 74-Year-Old Man Who Is Status Post External Radiation Therapy For Prostate Cancer Now Presents With Hematochezia. What Should I Do Next? Can I Keep This From Recurring? (continued)

Brian E. Lacy, MD, PhD

Prostate cancer is commonly treated with radiation therapy, which can be associated with significant morbidity. The degree and extent of radiation injury depends upon the dose of radiation provided, the location of the radiation (internal vs external), the use of shielding, changes in radiation orientation, the extent of bladder filling, the interval between sessions, and the overall health and nutritional status of the patient at the time of radiation. Combination external beam therapy and implant therapy is more likely to produce injury than either type of therapy alone. Although the colon…