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Side effects of radiation therapy might occur after a few weeks into treatment. Both types of radiation therapy may cause diarrhea and mild rectal bleeding due to radiation proctitis, as well as potential urinary incontinence and impotence. Symptoms tend to improve over time except for erections which typically worsen as time progresses.
[2] [1] Radiation proctitis most commonly occurs after pelvic radiation treatment for cancers such as cervical cancer, prostate cancer, bladder cancer, and rectal cancer. RAVE and chronic radiation proctopathy involves the lower intestine , primarily the sigmoid colon and the rectum, and was previously called chronic radiation proctitis, pelvic ...
Endoscopic therapies including argon plasma coagulation have been used for bleeding telangiectasia in radiation proctitis and at other intestinal sites, although there is a rick of perforation. [ 2 ] Surgical treatment may be needed for intestinal obstruction , fistulae , or perforation, which can happen in more severe cases. [ 12 ]
Benign prostatic hyperplasia (BPH) is the most common cause, [2] but obstruction may also occur acutely after treatment for BPH such as transurethral needle ablation of the prostate (TUNA), transurethral resection of the prostate (TURP), transurethral microwave thermotherapy (TUMT), prostate cancer or after radiation therapy.
Radiation-induced hemorrhagic cystitis develops in similar or smaller patient numbers when compared to cyclophosphamide-induced cases. [ 3 ] Adenovirus (particularly serotypes 11 and 21 of subgroup B) is the most common cause of acute viral hemorrhagic cystitis in children, though it can result from BK virus as well.
However, prostatic edema is expected after microwave therapy, and this can lead to a risk of urinary retention. While some protocols suggest leaving a Foley catheter in for up to two weeks in all patients, other urologists are choosing to place a temporary prostatic stent after the first week following treatment. The stent is worn for 30 days ...