In recent years, with the increase of pressure in life, there is an upward trend in the incidence of renal cyst.In the early stage of renal cyst, many patients don’t have uncomfortable symptoms. Most patients find the disease when they have physical examinations.
The major performances of renal cyst:
1、The factors of infections: The infections of all the body can pass the blood into kidney to produce the environment which is good for cyst gene to make the activity of the internal factors in cyst to enhance, it can promote the growth of cyst, the infection can affect cyst, foe example cyst appears infection, it can increase the clinical symptoms, it can also promote the cyst to accelerate the growth rate to aggravate the damage of renal function. The common factors of infections have upper respiratory infection, urinary tract infection, infection of intestines and stomach, infection of skin, trauma infection,instrument infection,etc.Bacterial infection of virus infection can affect the cyst.
2、Toxin: Toxin act on the body,It can cause damage of all kinds of cellular tissue and organs to appear disease and threaten the life.It is one of the main reasons to produce genetic mutation, congenital dysplasia paraplasia and other phenomenon. The common toxins are pesticide, some chemical agent, radioactive rays, pollution,etc.Some drugs have renal toxicity,misemployment can easily cause renal damage, theses drugs include kanamycin, gentamicin, sulfonamides, rifampicin, indomethacin and other western drugs and nux vomica and other Chinese medicine.
3、Congenital maldevelopment: It is to induce many diseases, for cystic nephropathy, it can cause medullary sponge kidney, maldevelopment polycystic kidney. Congenital dysplastic gene generally have no abnormal condition, so it has different from genetic heredity and gene mutation.