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Learning Center
Typhoid fever
Learn more about the symptoms, cause and treatment of this serious bacterial infection.
Ulcerative colitis
This type of inflammatory bowel disease affects the innermost lining of your digestive tract. Learn about available treatments for this often exhausting condition.
Ulnar wrist pain
Ulnar wrist pain occurs on the side of your wrist opposite your thumb. The pain can become severe enough to prevent you from doing simple tasks.
Umbilical hernia
Learn about this condition in which your intestines create a bulge near your navel.
Undescended testicle
Learn about causes, complications and treatment of this condition in which one or both testicles aren't in the usual place within the scrotum.
Undifferentiated pleomorphic sarcoma
Learn about this cancer that most often happens in the soft tissues of the arms and legs. Treatments include surgery, radiation therapy and chemotherapy.
Ureteral cancer
Find out how doctors use minimally invasive surgery to treat this rare cancer that forms in the tubes that connect your kidneys to your bladder.
Ureteral obstruction
Learn about what causes blockage of the tubes that carry urine from the kidneys to the bladder, tests you might need and how the condition can be treated.
Urethral stricture
Narrowing of the tube that carries urine from the body, called the urethra, can limit urine flow and cause a number of problems.
Urinary incontinence
Learn about possible causes of the loss of bladder control and what treatments are available for this problem.
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