Solid tumor on kidney

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related to an answer for: Is a cyst on the kidney a major concern?

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Kidney cysts are round pouches of fluid that form on or in the kidneys. The cause of kidney cysts is unclear. They do not appear to be inherited, but age and being male is a risk factor.

In most cases, simple kidney cysts don't cause signs or symptoms. When symptoms do occur, they may include:

  • Dull pain in your back or side
  • Fever
  • Upper abdominal pain

Some kidney cysts cause no signs or symptoms and need no treatment. When a kidney cyst is causing signs and symptoms, treatment options may include:

  • Puncturing and draining the cyst, then filling it with alcohol.
  • Surgery to remove the cyst.

A non-cancerous tumor of the kidney is a growth that does not spread to other parts of the body. They are not usually life-threatening and are typically removed with surgery and do not usually come back. Other treatment options include active surveillance and arterial embolization.

A cancerous tumor of the kidney in known as kidney cancer. It is a disease in which kidney cells become malignant and grow out of control. Signs and symptoms may include:

  • Blood in your urine, which may appear pink, red or cola colored
  • Fever, which usually comes and goes
  • Loss of appetite
  • Pain in your back or side that doesn't go away
  • Tiredness
  • Unexplained weight loss

These are the main types of surgery including radical nephrectomy, simple nephrectomy and partial nephrectomy. Other treatment options include biologic therapy for kidney cancer, targeted therapy, radiation therapy for kidney cancer, chemotherapy.