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Treatment of Bladder Cancer - How Bladder cancer gets treated
Like most cancers, bladder cancer can be treated with surgery, radiation, or chemotherapy. Surgery is often the first method of treatment. When detected early, small regions of cancerous tissue may be surgically removed through the urethra, using a cytoscope in a procedure called transurethral resection. If the cancer has spread to a large region of the bladder, a cystectomy, or removal of bladder tissue, is necessary. In a partial cystectomy, only a portion of the bladder is removed and the remaining portion repaired. More invasive cancers require a radical cystectomy, or removal of the entire bladder. In men radical cystectomy usually includes removal of the prostate gland and seminal vesicles, and in women the ovaries, fallopian tubes, and uterus are usually removed.
Complete removal of the bladder requires an alternative method of storing urine. This is accomplished with a urostomy, in which a portion of the small intestine is removed and restructured to form a substitute for the bladder. Urine from the substitute bladder is then emptied into an external bag that is manually emptied when full, or the urine is stored in the intestinal sac and emptied through a catheter in the abdominal wall. In some cases, the resected portion of small intestine may be attached directly to the urethra, which allows for near normal urinary function.
Bladder cancer may be treated with radiation, using either external beams or surgically implanted radioactive rods or pellets. Radiation is usually employed following surgery to destroy small amounts of remaining cancerous tissue. The side effects of radiation treatment may include vomiting, diarrhea, fatigue, or skin irritations resembling a sunburn.
Chemotherapy may also be indicated for treatment of bladder cancers. If the cancer remains localized to the bladder, chemotherapeutic agents may be administered directly through a urinary catheter, which greatly reduces side effects by limiting exposure of other body tissues to the drugs. If the cancer has spread, systemic chemotherapy will be required, and several side effects resemble those of radiation therapy.
Bladder cancer may be treated through biological therapy, or immunotherapy, in which the body's own cells, chemicals, or other natural agents are used to help boost the natural immune response against the cancer. In some cases a special type of bacteria is injected directly into the bladder. The body's immune response is then targeted at the bacteria but also attacks the cancer.
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