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Kidney cancer is a malignant tumor of the kidney, which is most often carcinoma and develops either from the epithelium of the proximal tubules and collecting tubules, or from the epithelium of the calyceal system.

In Kazakhstan, about 1200 cases of malignant neoplasms are detected for the first time in their lives every year. In the structure of incidence, kidney cancer ranks 8th. Every year 250 thousand people fall ill in the world and about 100 thousand people die from renal cell cancer.

Causes of the disease and risk factors:

  • • Age. It is most often diagnosed in people aged 50-70 years - Hippel-Lindau syndrome. Inherited gene mutations can increase the likelihood of developing kidney cancer.
  • • Gender. Men are twice as likely to develop kidney cancer as women.
  • • Exposure to chemicals. Certain chemicals - asbestos, cadmium, organic solvents - can significantly increase the risk of developing.
  • • Prolonged dialysis. In patients on long-term dialysis, cysts may appear in the kidneys, which can contribute to the development of cancer of this organ.
  • • Smoking. The risk of getting kidney cancer in smokers is 2 times higher than in non-smokers.
  • • Overweight. Eating high-calorie foods that promote obesity increases your risk of getting sick.

The presence of risk factors does not mean that a kidney tumor will necessarily appear, but may increase your chance of developing kidney cancer.

Kidney cancer symptoms:

In the early stages, symptoms may not appear. It should be noted the symptoms of kidney cancer, which may indirectly indicate a possible disease:

  • • hematuria (blood in the urine);
  • • the presence of swelling in the lumbar region, which can be detected by palpation;
  • • deterioration in general condition, weakness, lethargy, loss of appetite;
  • • increased body temperature;
  • • swelling of the legs;
  • • anemia;
  • • an unreasonable increase in blood pressure;
  • • painful sensations in the kidney area.

In several tens of percent of cases, kidney cancer does not show symptoms in any way and is detected quite by accident - during a preventive examination or performing an ultrasound examination of the abdominal cavity organs (ultrasound) for some other disease. Only an experienced specialist can detect the disease at an early stage or confirm its absence.


When making a diagnosis of kidney cancer, the following research methods are used:

  • • ultrasound examination, helps to distinguish a tumor from another formation;
  • • X-ray diagnostics: radiography (including renal angiography, urography, etc.);
  • • CT scan;
  • • laboratory tests of blood and urine.

In difficult cases, when other studies are not informative, the latest PET-CT examination method is used for diagnosis.

It should be noted that tumor biopsy is contraindicated as it can provoke the spread of the disease.

Doctor's recommendations for the prevention of kidney cancer:


The main prevention of the disease is to quit bad habits such as smoking, alcohol abuse. Also, if possible, it is necessary to avoid contact with chemicals (asbestos, cadmium, etc.). Adhere to the basic rules of a healthy diet, an active lifestyle,

If you have any symptoms or want to get tested, you can call our Call Center 8 (7172) 702-911. Here, you can get qualified advice from both oncologists and transplantologists and a full range of diagnostic services and determination of treatment tactics.