A cyst is a sac-like pocket of membranous tissue filled with fluid, pus, air, or other substances. Cysts can grow practically anywhere in your body. Cysts that form inside the lining of the urinary ...

The urinary system helps maintain the volume and chemical composition of fluids in the body. One of the main organs in the system are the kidneys, which filter waste products out of the body through ...

Incomplete sealing of the urachus — a line of connectivity between a fetus and the umbilical cord — can cause a urachal cyst to develop. It can lead to abdominal pain and other symptoms and often ...