Pathology
Bladder stones occur when materials crystallize in concentrated
urine in the bladder. They may irritate the bladder lining and
obstruct the flow of urine out of the bladder. Most bladder stones
pass out of the body without medical treatment. Those that don't
should be removed, and the underlying causes of the stones should be
identified and treated to prevent future stones. Rarely do bladder
stones cause any lasting bladder damage. Bladder stones are
different from, and usually larger than, the far more common kidney
stones — though kidney stones that are passed out of the body in
urine do travel through the bladder. Ninety-five percent of all
bladder stones occur in men.The size
and shape are variable from multiple 1-5 mm up to single 2 cm in
size.
SYMPTOMS
Frequent urge to urinate
Interrupted urine stream
Difficulty urinating
Inability to urinate except in certain positions
Blood in the urine
Lower abdominal pain
Abnormal urine color
In men, pain or discomfort in the penis.
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