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Kidney cancer, Symptoms causes and treatment

Kidney cancer is one of the most common cancers. It mainly affects people between 60 and 70 years old. A rapid diagnosis allows optimal treatment of this cancer.

Definition of kidney cancer

Kidney cancer is one of the most common cancers.

Adults between the ages of 60 and 70 are usually the most affected by this type of cancer. The prevalence (number of people with a given disease) is low in people under the age of 50.

Cancer can be treated if it is cared for quickly. However, if the diagnosis is late, and the cancer has spread beyond the renal system, cancer treatment becomes more difficult.

Different kidney cancers


It is the most common form of kidney cancer in adults (80% of kidney cancers). This type of kidney cancer results in the development of cancer cells in the renal tubules (small channels inside the nephrons that filter the blood and make the urine).

Transitional cell carcinoma

It accounts for about 8% of kidney cancer cases. It is a development of cancer cells in the pelvis (central part of the kidney, where the urine is collected before its arrival in the ureter, then in the bladder).

Wilms’s tumor

This tumor is the form of kidney cancer particularly affecting young individuals and children.

Causes and risk factors of kidney cancer

The exact cause of kidney cancer is still unknown. However, risk factors could be identified. Among these :

  • obesity
  • tobacco consumption
  • a hypertension blood
  • a family history of kidney cancer
  • genetic factors, such as Von Hippel-Lindau disease for example
  • The treatment of renal impairment by dialysis.

Who is affected by kidney cancer?

The people most affected by kidney cancer are adults between the ages of 60 and 70 years old.

Individuals under 50 are generally not affected by this carcinogenic risk. Nevertheless, the risk cannot be excluded in its entirety.

How to prevent kidney cancer?

The prevention of kidney cancer is essentially a healthy lifestyle: a healthy diet to limit the risk of overweight and obesity, exclude tobacco consumption, and maintenance of blood pressure.

The symptoms of kidney cancer

In many cases of kidney cancer, the patient has no symptoms. It is then in the context of a medical examination, for another reason, that the diagnosis is established.

However, if symptoms occur, they often look like:

  • the blood in the urine
  • persistent pain in the lower back
  • The appearance of nodules / swellings on one of the two sides of the back.
  • chronic fatigue
  • loss of appetite, and weight loss
  • persistent high blood pressure
  • a feverish condition (> 38 ° C)
  • night sweats
  • swelling of the testicular veins in men
  • Coughing up blood.

Some of these clinical signs may appear once the cancer is at a very advanced stage, or even spread to other parts of the body.

Risk factors for hyperplasia

Risk factors associated with the development of binge eating disorders include:

  • a depressed state
  • a tendency to anxiety
  • behavioral disorders
  • The use of substances (tobacco, drugs, etc.)
  • psychological and psychological disturbances
  • an emotional sensitivity

Kidney cancer treatments

The treatment of kidney cancer depends on the stage of its development. Through medical examinations, the doctor can define the stage of the disease:

  • stage T (tumor): between level 1 and 4, depends on the size of the tumor
  • stage N (nodule): defined by a level between 0 and 2, depends on the extent of cancer in the lymphatic glands
  • Stage M (metastasis): defines between 0 and 1, depends on the extent of cancer to other parts of the body.

From the diagnosis and identification of the stage of development of kidney cancer, the applied treatments result in:

  • a surgical procedure, allowing the removal of all or part of the affected kidney
  • ablation of cancer cells by cold or heat
  • biological therapies, in the form of drugs administered to limit the spread of cancer cells and the growth of the tumor
  • Radiotherapy, high-energy radiation targeting cancer cells and limiting symptoms.

If the cancer is at stage T or N, or has not reached other parts of the body, it can be cared for and treated. However, complete cancer treatment is not possible if it has spread to the whole body. Only the slowing of the spread and the attenuation of the symptoms can be taken care of.

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