Most kidney cysts are asymptomatic. Normal, even in the kidney area or hitting a palpable mass and physical examination. If the infection of the cyst, threatening abdominal tenderness. Some patients may be due to the cyst itself and increase in intraluminal pressure, infection, etc following:
1.Wwaist, stomach or abdominal pain
The reason is because kidney enlargement and expansion, the tension increases renal capsule, renal pedicle by traction or pressure caused by adjacent organs. In addition, polycystic kidneys produce kidney water content, becomes heavy, falls tranche can also cause back pain. The pain is characterized by pain, dull, fixed on one side or both sides of the waist Ministry lower background radiation. If the intracapsular bleeding or secondary infection, and then make the pain suddenly intensified. If fusion stones or urinary tract bleeding, blood clots, it is possible that renal colic.
2. Hematuria
It can be expressed as gross hematuria or microscopic hematuria. Cyclical episodes. Often compounded by the emergence of low back pain, vigorous exercise, trauma, infection can cause or aggravate. The reason is because many of bleeding under the arterial wall due to increased pressure or infection, so that the vessel wall due to over-stretching and breakage.
3. Abdominal mass
Sometimes, the main reason for patients to seek treatment, 60% to 80% of patients with palpable enlargement of the kidneys. In general, the higher the kidney, renal worse.
4. Proteinuria
Generally small 24-hour urine does not exceed 2 g. The nephrotic syndrome does not happen much.
5. Hypertension
Solid oppression kidney cysts, causing renal ischemia, increased renin secretion, causing high blood pressure. In normal renal function, there were more than 50% of patients with hypertension, renal dysfunction, a higher incidence of hypertension.
6. Release renal dysfunction
From cyst occupation, oppression, so the normal kidney tissue was reduced significantly decreased renal function.
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