Symptoms of Renal Cyst

The vast majority of renal cysts have no symptoms. However, some patients may appear the following symptoms due to the cyst itself, increased pressure within the cyst and infection and so on.

　　. The waist and abdominal discomfort or pain
　　It is caused by renal capsule tension increases, renal pedicle receives traction or the adjacent organs get compressed because of kidney enlargement and expansion. In addition, Polycystic Kidney causes renal contains much water, grows heavy and stretches down, which will cause lumbar pain. The characteristics are secret anguish and dull pain, which fix on the one side or both sides and radiate to the lower part and the back of waist. If there is capsules internal bleeding or secondary infection, the pain will increase suddenly. If there is merge stones or blood clots block urinary tract after bleeding, renal colic will appear.
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　　.Blood in urine
　　It can be divided into microscopic hematuria or gross hematuria. It is onset periodically. When it is onset, lumbago will increase. Strenuous exercise, trauma and infection can induce or aggravate it. The reason for bleeding is that many arteries below the cyst wall rupture due to excessive traction.

　　. Abdominal mass
　　It sometimes is the main cause of patients to visit a doctor.60%~80% of patients may have enlarged kidneys. In general, the bigger the kidney is, the worse renal function is.

　　. Proteinuria
　　Generally, the quantity of urine is not much. The quantity of urine within 24 hours is not more than 2g. In this situation, nephrotic syndrome usually does not occur.

　　.High blood pressure
　　The cyst oppress kidney, causing renal ischemia, which increased renin secretion and cause high blood pressure. There are 50% of patients have high blood pressure when their kidney function is normal. When the kidney function decreases, the incidence of high blood pressure will become high.

　　.Renal function decrease
　　Normal renal tissue was significantly reduced because of the cyst occupying and oppression, which causes deterioration of renal function.

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