
Is kidney cancer the same as uremia?
Disease description:
My colleague's father was hospitalized recently. When we went to visit him in the hospital, my colleague mentioned that his father had been diagnosed with kidney cancer. I would like to ask, is kidney cancer the same condition as uremia?

Renal cancer and uremia are not the same condition. The main differences between them are as follows:
1. **Nature of the disease**: Renal cancer is a malignant tumor originating from the kidneys, while uremia is the end-stage of renal insufficiency, characterized by kidney failure.
2. **Causes**: The causes of renal cancer are complex and associated with factors such as heredity, smoking, and obesity; uremia usually develops from progressive kidney diseases, such as chronic glomerulonephritis.
3. **Symptoms**: Early symptoms of renal cancer are often not obvious, while late-stage symptoms may include hematuria (blood in urine) and flank pain. Uremia typically presents with fatigue, loss of appetite, edema (swelling), and skin itching.
4. **Treatment**: Main treatment options for renal cancer include surgery, immunotherapy, and drug therapy; uremia requires treatment via dialysis or kidney transplantation.