Is it dangerous to have cysts in the kidneys?

Is it dangerous to have cysts in the kidneys?

The clinical signs of renal cysts: the vast majority of renal cysts are asymptomatic. Some patients may be increased because of the pressure, the cyst itself and intracystic infection and the following symptoms: waist, abdominal discomfort or pain, which is due to kidney enlargement and expansion of the renal capsular tension increased, renal pedicle stretch, or to adjacent organs caused by compression. In addition, the kidney becomes heavy due to the large water content of the polycystic kidney. It can also cause lumbar pain when falling and pulling. The pain characterized by pain, dull pain, fixed on one side or both sides of the back to the waist, and the lower part of radiation. If there is internal bleeding or secondary infection, then the pain suddenly increases. If the combination of stones or bleeding, congestion, urinary tract, can appear renal colic.
Hematuria: manifested as microscopic hematuria or gross hematuria. Episodes are periodic. Attacks are often exacerbated by low back pain, which can be induced or aggravated by strenuous exercise, trauma, and infection. The reason for the bleeding is because there are many arteries under the wall of the cyst. Because the pressure increases or the infection is combined, the vessel wall is ruptured and pulled out by excessive traction. Abdominal mass: sometimes the main reason for a patient's visit is that 60 - 80% can reach the enlarged kidney. The bigger the kidney, the worse the renal function. Albuminuria: general amount is not much, inside 24 hours uric won't exceed 2 grams, won't produce nephrosis syndrome so. Hypertension: solid cyst that oppresses the kidneys, causes renal ischemia, increases renin secretion, and causes hypertension. When renal function is normal, more than 50% of patients suffer from hypertension, and the incidence of hypertension is higher when renal function is decreased. Hypofunction of the kidney: because of cyst compression and occupation, the normal renal tissue is markedly reduced and progressive renal dysfunction occurs.
Examination of renal cysts: renal cysts are common in adults over the age of 50, and are usually without obvious symptoms or symptoms. Neither pain nor hematuria at the early stage, nor urine routine tests. Most are found only when the tumor is large. If a palpable cystic mass is palpable in the abdomen, it can be irradiated under a strong light source, and the cyst may be pervious to light in children or patients with thinner abdominal walls.
The more reliable methods include X ray radiography, kidney type B ultrasonography, radionuclide scanning and CT examination. In renal cyst, X-ray urography could see the renal pelvis compression deformation, but the edge is smooth, no damage. Renal cyst is not a tumor, but it is easily confused with tumor. Therefore, the differentiation between renal cyst and malignant tumor of kidney is very important. The two methods of differentiation can be renal parenchymal tomography or renal arteriography. In the renal parenchyma tomography, the location of the cyst was shallow and the image of the tumor was deep; when the renal arteriography was performed, the vessels in the cyst site were sparse, without contrast agents, and the malignant tumor of the kidney was rich in blood vessels and concentrated in contrast agents. Suspected cyst malignant change, may carry on the cyst to puncture, extracts the cyst fluid to carry on the routine inspection and the exfoliative cell examination, may also inject the contrast agent to the cyst, examines whether the cyst wall has the tumor. Type B ultrasound and CT are very easy to distinguish between renal cysts and parenchymal renal tumors, so this is a very important and ideal method of examination.
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