Enlarged Kidney refers to the kidney size is larger than normal kidney. Various reasons can cause enlarged kidney, which can be a symptom of kidney disease or other underlying disease. The followings are common diseases, which can be reasons of enlarged kidney.
Kidney grows larger due to polycystic kidney disease (PKD), which is caused by clusters of cysts growing in two kidneys. These cysts destroy the kidney tissues and enlarge kidney size. Polycystic kidney disease (PKD) can lead to kidney dysfunction and kidney failure. Besides enlarged kidney, polycystic kidney disease patients also suffer the symptoms including: backache, headache, high blood pressure and swelling.
Pyelonephritis is caused by bacterial infection and induces inflammation of renal parenchyma, calyces, and pelvis. This disease often can cause kidney infection as the bacterial can travel through the bloodstream to the kidney. Enlarged kidney is a symptom of kidney infection.
Hydronephrosis and Interstitial Nephritis
Hydronephrosis refers to distention or swelling of the kidneys. That’s because the urine is backed up in renal pelvis. Kidney stones, blood clots, or retroperitoneal fibrosis can from obstructions between the ureter and renal pelvis leading to hydronephrosis.
Normally, urine goes from kidney tubules to bladder, through ureter. In vesicoureteral reflux, urine goes from the bladder back to kidney tubules. The urine held back in kidney causes kidney enlargement.
Renal Cell Cancer
In renal cell cancer, malignant cells grow in lining of the renal tubules, which function as the filters carrying wastes from the bloodstream. Signs of this disease include abdominal pain, general swelling in the stomach, abnormal color of the urine and back pain. Surgery is the first option of treatment to remove the affected kidney or surrounding tissue.
There are many reasons of enlarged kidney, and doctors can diagnose the exact reason of enlarged kidney with some special symptoms and tests. There are many experienced nephrologists in Shijiazhuang Kidney Disease Hospital, who can make accurate diagnosis for patients.