What is the Sign and Symptom for Kidney Cysts?

Most patients with Kidney Cysts have no symptoms and the physical examination also reveals normal. Occasionally a mass can be touched by percussion. If the cyst happened infection, the patients may have the pressing pain in rib and abdomen. Some patients may occur the following symptoms due to the pressure increasing or the infection in the cyst.
1. Discomfort or pain in the abdomen: the reason is because of kidney enlargement or dilation,which made the Kidney capsular tension increasing and kidney pedicle pulling or press the near organs. In addition, more cysts in kidney lead to kidney heavier due to the water contented in the kidney may also lead to waist pain. The feature of the pain is latent and dull in one side or both sides, radiating to lower part and back. If there is bleeding or secondary infection in the cysts may worsen the waist. The patients may occur renal colic If it is accompanying with stone or urinary obstruction by the blood clot after bleeding.
2. Hematuria: it can be manifested gross hematuria and microscopic hematuria with a periodic onset. The patient may have the serious pain when the disease is onset, and vigorous exercise, trauma and infection can induce hematuria or deteriorate it . The bleeding cause is because there are many arteries under the cyst wall and the pressure increasing or accompanying with infection made the blood vessels in the cyst wall broken resulted bleeding due to excessive pulling.
3. Mass in the abdomen: sometimes, it is the main reason for patients to see doctor. 60%-80% of the patients may touch enlarging kidneys. Commonly, the bigger the kidneys are, the worse the kidney function will be.
4. Proteinuria: commonly, the proteinuria volume is less than 2g per 24 hours, the patients may not occur Nephrotic Syndrome.
5. High blood pressure: due to cysts pressing kidney, it may lead to renal ischemia and renin secretion increasing, resulting in high blood pressure. When the kidney function is in normal, there are more than 50% of patients may have high blood pressure. When the kidney function is decreasing, the occurrence rate of high blood pressure will be much more

6. Kidney function decrease: the kidney function may have progressively decrease due to the cysts occupation, pressing, which makes the normal renal tissue reducing significantly.