Bladder cancer
Bladder cancer is a
cancer that forms in tissues of the bladder. Most bladder cancers are
transitional cell carcinomas (cancer that begins in cells that normally make up
the inner lining of the bladder). Other types include squamous cell carcinoma
or adenocarcinoma, which develop in the inner lining of the bladder.
Bladder cancer forms in
urinary bladder, the muscular sac that stores urine.
This balloon-shaped tissue
is sited in your pelvis. Urine made by the kidneys drives into your bladder for
storage.
The bladder covers of
several layers, containing a muscular wall. The muscle eases to allow the
bladder to fill with urine, and contracts to sanction urination.
Cancer is a disease in
which anomalous cells grow out of control. Cancer cells can form tumor masses
and may attack other nearby tissues.
Types of Bladder Cancer
Most bladder cancer improves
in the tissue that lines the inside of the bladder.
This tissue is called
urothelium, or transitional epithelium, and cancer that grow up here is called
transitional cell carcinoma. More than 90 % of all bladder cancers are this
type of cancer.
When bladder cancer transfers
only the inner lining of the bladder, it is called superficial bladder cancer.
More advanced bladder
cancer may extent into other layers of the bladder wall, or may pass into lymph
nodes in the pelvis. This is called invasive bladder cancer.
Invasive bladder cancer
is stiffer to treat and is more likely to spread to other tissues and organs in
the body.
This cancer is regularly
diagnosed after blood shows up in the urine.
At first, bladder
cancer may not cause any symptoms, or the symptoms may be very delicate.
Eventually, symptoms
can include:
Blood in the urine both
liberal to be apparent with larger extents, the urine may appear cola-colored,
or smaller extents that can only be realized under a microscope
Frequent or urgent need
to urinate
Pain or burning with
urination
Pain in the back or
pelvis
More advanced cases of
bladder cancer can cause:
Inability to urinate
Back pain, usually
confined to one side
Pelvic or rectal pain
Anemia
Decreased appetite
Unintended weight loss
Swelling in the feet
and lower legs
Bone pain or fractures
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