The symptoms of renal cyst

Simple renal cyst (simple takes cysts, SRC) is the most common lesions in the human kidney disease, there is unilateral or bilateral renal one or several sizes, the lumen of the not interlinked with the outside world, which is full of fluid.

Disease characteristics

The cause is not clear. The vast majority of patients will be adults, rare in children. Men more than women. As the growth of the age, the incidence is rising, people over the age of 50, about 50% of people have one or more simple renal cysts, 70 people over the age of prevalence rate is as high as 90%.
Simple renal cyst of the capsule wall thin and transparent, with light yellow clear liquid, such as have inflammation, cystic wall thickening, fibrosis, and calcification. Cysts and renal pelvis don't are interlinked, wall lining with simple squamous epithelium.
Small simple renal cyst grow slowly, little impact on renal function and progression opportunities also small, only regular observation; For simple renal cyst is greater than 4 cm in diameter, increase rapidly cyst, or suspicious malignant cysts, surgical treatment should be considered.

Clinical manifestations of

Usually asymptomatic, imaging examination in a medical or other diseases when discovered by accident. Some patients will feel side of lower back pain symptoms, often also is not the direct result of renal cyst. Some very large renal cyst, especially obvious capsule hemorrhage or infection of renal cyst will produce lumbar abdomen pain symptoms. Some renal cyst happened to oppression ureter or calyces neck, cause kidney seeper and secondary infection, then appear the waist pain, fever, symptoms of urinary tract infection. Capsule will happen to individual of simple renal cyst wall, AiBianLv is about 1%, cyst with hemorrhage should be alert to cancer when possible.