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Let's Talk Health

About Us


Introducing Let's Talk Health, an initiative from Apollo Hospitals, where our endeavor is to share knowledge which you can use to keep yourself and your family fit & healthy.

Let's Talk Health.
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Learn About Kidney Cancer

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Kidney cancer comprises of three percent of all cancers. The most common subtype is the renal cell carcinoma. It is more commonly seen in the United States than in India. It is a slow growing cancer in majority of the cases, but behaves aggressively in some patients.

Causes

  • The cause of kidney cancer is still unclear.
  • But, is associated with certain environmental risk factors like smoking, exposure to cadmium, asbestos etc.
  • It is seen to have hereditary/ genetic predisposition.
  • It is more common in males, in older people between the ages of 60 and 70, and in individuals with lack of exercise and obesity.

Symptoms

  • Clinical symptoms are mostly related to primary tumour i.e. haematuria (blood in urine), flank pain, and mass in abdomen.
  • Some patients have weight loss, unexplained fever, and features of hypercalcaemia (high calcium level in blood).
  • In an advanced stage, patients may complain of pain in the bones, backache due to bone metastasis.
  • Rarely, symptoms may include headache, vomiting, paralysis/fits, and brain metastasis. Anaemia and fatigue may be symptoms in some cases.

Diagnosis

Patients of kidney cancer need complete staging work up to plan the line of management. Quite often it is a multidisciplinary approach which gives best results for an individual patient. It needs good physical examination along with complete blood tests like haemogram, blood chemistry, radiological imaging like ultrasound, CT scan, and MRI scan. Histological diagnosis is to be confirmed by FNAC/trucut biopsy.

Management

  • Management of renal cell carcinoma has been revolutionised in recent times especially in advanced stage/recurrent RCC.
  • In the early stage (localised kidney tumour, not spread to distant organs in the body), it is managed better with radical surgery, which is curative in majority of patients.
  • Radiation is one more modality of treatment that is advised in a very selective group of patients.
  • Kidney cancer (RCC) is considered as one of the radioresistant and chemoresistant cancers with very poor response. However till 1990, for advanced stage RCC, biologic therapy/immunotherapy (like Interferon/ Interleukin-2) along with chemotherapy had been used for a long time with limited benefit.

Latest in treatment

With advanced research in molecular oncology, there is a better understanding of cancer cell growth and its related growth factors/receptor interactions.

An important enzyme called tyrosine kinase and Epidermal Growth Factor Receptor (EGFR) are very much involved in cancer cell proliferation. Kidney cancer also expresses vascular endothelial  growth factors (VEGF), which play a crucial role in cancer metastasis.

Recently targeted therapies like dual kinase inhibitors (Sutent, Nexavar) have shown promising results in advanced cancer, improving survival. VEGF inhibitors like Bevacizumab (Avastin) have been tried with better response and survival. Newer novel agents like m-TOR inhibitor have also shown promising results after Sutent/Nexavar failures.

With all these newer targeted therapies patients are living much longer than before. Progression in Science has changed a physician’s approach to a difficult disease like kidney cancer.

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