👉 Hydrocyst is a type of cyst that typically forms in the urinary tract. It's characterized by a smooth, round shape and can be caused by various factors such as infection or inflammation. Hydrocysts are not usually painful but can cause discomfort when they become larger. If left untreated, hydrocysts can lead to blockages in the ureters (the tubes that carry urine from the kidneys to the bladder), which can result in kidney failure. Treatment for hydrocyst may include antibiotics