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Condition
Cystinuria is a relatively rare disease in which people inherit an inability to process an amino acid called cystine. Excess cystine winds up in the urine, where it can lead to the formation of stones in the bladder, kidneys, and ureters. Cystine stones …
Condition
The ureter is the tube that drains urine from the kidney down to the bladder. In some conditions, a portion of the ureter can be narrowed, which is called a stricture. This can be congenital, or the result of scarring from previous surgery, urinary …
Condition
What are posterior urethral valves? Posterior urethral valves are obstructing flaps of tissue in the male urethra (the tube that carries urine from the bladder to the tip of the penis) that prevent normal urine flow from the bladder. They are the most …