Renal cysts are a general term that appeared in the kidney size varies with the outside world without cystic mass, common renal cysts can be divided into ordinary adult polycystic kidney disease, simple renal cysts and acquired renal cysts.
Demonstrations
The vast majority of renal 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, etc infection following:
1. waist, 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 renal causes high water content kidney, it becomes heavy, falling stretch, can also cause back pain. The pain is characterized by pain, dull, fixed on one side or both sides. Department of Radiology and lumbar down. 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
Can express are microscopic hematuria or gross hematuria. Cyclical episodes, when the onset low back pain often exacerbated strenuous exercise, trauma, infection may induce or aggravate. Bleeding wall reason is because there are many low pressure, due to the increased pressure or infection, so that the wall of blood vessels and bleeding due to excessive traction.
3. Abdominal mass
Sometimes, the main reason for the treatment of patients, 60% to 80% of patients with kidney enlargement palpable. In general, the higher the kidney, renal worse.
4. Proteinuria
They are generally small, no more than 2 g of urine within 24 hours.The nephrotic syndrome does not happen much.
5. Hypertension
Oppression solid renal cysts, causing renal ischemia causes increased renin secretion, causing high blood pressure. In normal renal function, over 50% of patients with hypertension, renal dysfunction when, greater incidence of hypertension.
6. Renal dysfunction
As cyst occupation, oppression, so the normal kidney tissue was reduced significantly, decreased renal function.
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