Mass on kidney/ kidney tumor causes, symptoms and treatment

Mass on kidney is the term that used to describe a group of the cell that is abnormally formed together in the kidney. Under the normal circumstances kidney cells are grow and divided to form a new cells that replace the old or dead one. But sometime cells form when the body does not need to new one, or the old cells that should die but continue to live. Mass on kidney is tissue that commonly referred to as kidney cyst, kidney growth, kidney tumor.

The kidney mass can be malignant or benign. The kidney cysts are benign and not cancerous. They do not cause life threatening condition. Usually they can be filled with the kidney fluid. On other hand in the case of kidney angiomyolipoma, normally the cysts contain vascular tissue, fat and muscle tissue. Mass on kidney that are benign, does not spread to other part of the body.

Malignant mass on kidney

Malignant mass on kidney is more serious and it can be life threatening. Usually ever after the removal of kidney tumor by kidney surgery, they can grow back. The malignant cell can enter the bloodstream or it can invade lymph node and form a tumor in other organ. On other hand if a malignant kidney tumor metastasizes or the spread throughout other organ of the body, then other organ and tissue become damage.

Some peoples develop more than one cyst into kidney. Severe cystic kidney can indicate signify conditions that are called polycystic kidney disease. It is a genetic disorder which causes several kidney cysts to form into kidney. Kidney enlargement, cysts of liver and kidney lesion are also developing due to the polycystic kidney disease. The kidney cysts symptoms are similar to the kidney failure symptoms and the kidney disease symptom.

Different types of mass on kidney

There are various types of mass on kidney including various kind of cyst, malignant and benign tumor etc. those are describing below:

Small cysts

These are fluid filled sacs and usually do not cause any symptoms. Any treatment doses required due to small cysts. They are usually very common. Half of the all folk older than fifty have one of these small cysts.

Polycystic kidney disease

This is very serious condition is characterized by the growth or increases numerous cysts in the kidney. Polycystic kidney disease is a genetic disease that causes the kidneys to greatly enlarge. About fifty percent of cases the kidneys become fail. Kidney transplantation or the dialysis is required in this situation.

Benign tumor

Kidneys can develop several types of solid, the non-cancerous masses that including oncocytomas, adenomas and the angiomyolipomas. It is one kinds of mass on kidney. Adenomas are normally small. On the other hand oncocytomas is very large in size. Angiomyolipomas are rare.

Kidney cancer

The major symptoms of kidney cancer including lower back pain, blood in urine, lump on one side that is not caused due to injury, unexplained weight loss and persistent fever. It is one kinds of mass on kidney. People can survive kidney cancer if they discover it in early stage.

What are the symptoms of mass on kidney?

The major symptoms of mass on kidney including:


It is one of the major symptoms of mass on kidney and also kidney tumor. Most time people experience presence of blood in urine. Sometime dark brown urine also experience due to mass on kidney.


It is often accompanying this bleeding is the common symptoms of pain. The pain is usually persistent and also isolated to the back, under the rib.

Weight loss

It is another major symptom of mass on kidney. According to mayo clinic, the kidney tumor may cause an almost unacceptable loss in weight.


For few people with a kidney mass or tumor, they will begin to suffer from the certain amount of exhaustion or fatigue. It is another major symptom of mass on kidney.


For some people a kidney tumor or kidney mass trigger the formation of fever. This type of fever normally comes and goes and also can run above the hundred degrees Fahrenheit.

Cause of mass on kidney

The major causes of mass on kidney including:

  1. Renal cyst (benign)
  2. Anatomic variations
  3. Infection of kidney
  4. Hydronephrosis or partial blockage of kidney
  5. Kidney tumors (benign and malignant)

Diagnosis of mass on kidney

Occasionally CT scan, kidney biopsy, ultrasound is the major diagnostic tools for the mass on kidney. Sometime biopsy is so helpful in guiding further therapy. The biopsy is frequently not as helpful as 1 might think. When the biopsy shows the present of cancer as predicted by scan image, then the subsequent management is not altered then the surgery must required. On other hand when the biopsy does not show the presence of cancer then, frequently a definitive diagnosis into the mass cannot be made. This condition can happen due to the tissue sample obtain is so insufficient for the pathologist for make a clear diagnosis.

Other diagnostic technique for the mass on kidney:

  1. Urine cytology.
  2. Cystoscopy.
  3. CT scan.
  4. Renal ultrasound.
  5. MRI scans.
  6. Basic Metabolic Panel (BMP).
  7. Complete Blood Count (CBC).

Treatment of mass on kidney

The course of treatment of a urinary organ mass is personalised to every patient. several plenty area unit benign (non-cancerous) and will want no any analysis. Some plenty need followup CT scan, ultrasound, or tomography imaging. Others that seem to be cancerous could also be treated in a very form of ways that reckoning on the dimensions, location, and different medical issues and will embody the following:

  1. Radical ablation.
  2. Partial ablation.
  3. Laparoscopic radical ablation.
  4. Laparoscopic cryotherapy.

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