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Frequently Asked Quetions

WHAT IS A RENAL TUMOR?

 Kidney cancer is the abnormal growth of cells in kidney tissue. When healthy cells change and grow out of control in one or both kidneys, they begin to form a mass called a renal cortical tumor. Kidney tumors can be benign or malignant or indolent. A malignant tumor is cancerous, tends to grow, and can metastasize to other tissues or vital organs of the body. Slow-growing tumors are also cancerous, but they rarely spread to other parts of the body. Benign tumors can grow but do not spread. It is usually treatable if caught at an early stage.

Although the causes of kidney cancer are not known, a number of risk factors that can trigger cancer formation are defined. A risk factor is actions and characteristics that increase the likelihood of developing a disease. Factors that can increase the risk of kidney cancer are as follows;

 • Old age: Your risk of kidney cancer increases as you get older. For this reason, it is recommended not to delay health checks by regular screening after the age of 40.

• Family history of kidney cancer: If there is a genetic predisposition, the risk of kidney cancer increases.

• Smoking: As with all types of cancer, smokers have a higher risk of developing kidney cancer. While the length of the smoking period increases the risk, quitting smoking can reduce the risk.

• Obesity: They are at higher risk than individuals with a healthy weight. Excessive weight gain and fat can cause kidney function disorders and increased cancer cell formation.

• Hypertension: High blood pressure increases the risk of kidney cancer.

• Treatment of kidney failure: The risk of developing kidney cancer is higher in people who are treated for chronic kidney failure and take dialysis for a long time.

• Radiation: There may be a risk of being seen in women undergoing radiation therapy due to cancers in the reproductive organs.

• Long-term use of drugs: Some drugs, especially pain relievers, may cause dysfunction in the kidneys.

• Exposure to Chemicals: Metal workers exposed to chemicals such as petroleum, lead, asbestos and cadmium are at risk.

• Hippel-Lindau (VHL): It is a genetic mutation disorder that causes tumors in the kidneys.

• Tuberous sclerosis: It is a type of disease that causes seizures and intellectual disability as well as forming tumors in many different organs.

Kidney cancer may show no obvious symptoms in its early stages and can sometimes be found during tests for another condition or cause. As the tumor grows, symptoms begin to appear. This is why

kidney cancer is usually diagnosed after it has begun to spread. Kidney tumor symptoms may include:

• Blood in the urine (hematuria)

• Presence of a lump or mass in the abdomen

• Pain in the back, abdomen and sides

• Swelling and sudden pain in the lumbar region

• Anemia

• Extreme Fatigue

• Weakness

• Appetite and weight loss

• Night sweats

• High fever of unknown cause

•Hypertension

• Bone pain

• Spitting Blood Some of these symptoms only occur when the cancer has progressed and spread to other parts of the body such as the bones, lungs, brain.

 Kidney cancers may not show symptoms in their early stages. Therefore, it is important to have regular check-ups for early diagnosis without waiting for the disease to show symptoms. If you have symptoms, your doctor may refer to a number of tests after listening to your medical history and performing a physical examination. A number of tests and imaging techniques to obtain information such as the size of the tumor, its shape, its location, the degree of involvement of the lymph nodes, whether it metastasizes are as follows:

Urine Tests: A urine sample is tested to determine whether the urine contains blood.

Blood Tests: By looking at the creatinine level, it can be determined whether the kidney function is performing its normal function or if the red cell cells are low (anemia). Magnetic resonance imaging (MRI): Radio waves, powerful magnets and computer images are taken of the inside of the body. Computerized Tamography: Three-dimensional images are taken showing the tissue and surrounding tissue. This test is usually done with intravenous contrast (dye). People with impaired kidney function may not be able to take the dye. Ultrasound: It is used to detect tumors of different density other than healthy tissues.

Renal Mass Biopsy: Kidney cancer biopsies are the process of taking a sample from the tissue by inserting a thin needle into the tumor in order to reveal the structure of the lesion detected in the kidney.

Treatment depends on your general health, your age, and how advanced the cancer is. The most common treatment is surgery. There are surgical options such as only the part of the kidney that contains the tumor (partial nephrectomy) or the removal of the entire kidney and some of the surrounding tissue (radical nephrectomy). If one kidney is removed, the remaining kidney can usually function as both kidneys. The surgery can be performed by open surgery or laparoscopic surgical methods. Apart from surgical methods, chemotherapy or radiation, biological or targeted treatment methods can be used. Biological therapy increases the ability to fight cancer. Targeted therapy uses drugs or other substances that attack certain cancer cells with less damage to normal cells.

After the doctor has the knowledge of the stage of the tumor, he can plan the treatment more effectively. The stage of kidney cancer is from 1 to 4 in roman numerals. The higher the numbers, the more critical the phases.

Stage I: In stage 1 kidney cancer, there is a cancerous growth up to 7 cm inside the kidney. It did not metastasize to lymph nodes or other organs.

Stage II: A tumor larger than 7 cm is found in the kidney. It has still not spread to the lymph nodes and other organs.

Stage III: There are various combinations of tumor sizes and locations that make up this stage. For example, if a tumor of any size has grown into tissue around a large vessel or kidney, or has spread to nearby lymph nodes, your cancer is in stage three.

Stage IV: The tumor has spread to the surrounding lymph nodes and distant organs such as bones, lung, liver.

Renal cell carcinoma is the most common type of cancer in adults. It covers 90% of tumors. Young children are more likely to develop a type of cancer called Wilms tumor (nephroblastoma).

Although it is not possible to prevent genetic factors, it is possible to make some changes in your lifestyle and environmental factors. Taking steps to improve your health can help reduce your risk of kidney cancer. The measures you can take and what you can do to reduce your risk are as follows;

• Quitting smoking: There are many methods of quitting, including support programs, medications, and nicotine fulfillment products to quit smoking and tobacco products. Together with your doctor, you can determine the most suitable treatment for you.

• Healthy Weight Control: Take care to maintain a healthy weight. If you are overweight or obese, you can reduce the amount of calories with a healthy diet program. Try to be physically active by exercising regularly. Create a balanced and regular diet program.

• High Blood Pressure Control: Monitor your blood pressure. If it's high, you can consider lowering options with your doctor.

• Sleep pattern: Adequate and quality sleep helps the body to regenerate and stay fit.

• Avoiding stress: Identify your stress factors and apply methods of coping with stress.

• Prevention of chemical exposure: Prevention of occupational chemical exposures can reduce the risk of kidney cancer.

• Avoiding unnecessary supplements: Avoid taking food supplements unless your doctor recommends it.

Since the cause of kidney cancer is not fully known, it is not possible to completely prevent the disease. However, small changes you can make in your life to increase your quality of life and the prevention methods listed above can help reduce risk factors.

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