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Smoking and Oral Cancer

Dr. Murali Subramanyam

Dr. Murali Subramanyam

  Malleswaram, Bengaluru     Feb 9, 2017

   1 min     


Oral cancer is the development of cancerous cells anywhere in the mouth. This cancer can affect the tongue, lips, throat and walls of the mouth. It appears as a sore or growth that does not go away and can be life-threatening if not diagnosed and treated.

What causes oral cancer? 

Smoking, chewing tobacco and consumption of alcohol increase the risk of oral cancer by over 30 times. Cancer starts with the lip line or insides of the mouth and spread to the neck and head if not treated at an early stage.

Lack of proper dental hygiene, excessive consumption of meat or processed foods and overexposure to UV rays are other factors that increase the risk of oral cancer.

What are the symptoms?

During the early stages symptoms are not very prominent but it is advisable that smokers and drinkers get a dental check-up done regularly to diagnose cancer at its early stages.

  • Red patches inside the mouth
  • Ulcers and sores that do not heal
  • Persistent swelling
  • Lumps in the mouth
  • A sore throat
  • Painful tongue and difficulty while swallowing

Although these symptoms do not necessarily mean you have cancer, it is best to get a doctor’s opinion if you have a doubt.

Diagnosis and treatment of oral cancer

Depending on the size of a tumour and how far cancer has spread, the cancer is categorized from Stage 1 to 4. Cancer is diagnosed and the stage is determined by brush biopsy, endoscopy and tests like X-rays, CTs and MRIs.

The treatment depends on what stage the cancer is at and its location. The person’s general health condition and preferred treatment are also taken into account.

A tumour is surgically removed and in advanced stages, sometimes surrounding and related tissues will also be removed to avoid cancer from spreading.

Mouth cancer is very sensitive to radiation therapy so, this treatment method is particularly effective and in early stages only this method is used as surgery will not be required. If the cancer is advanced and has chances of spreading or returning, chemotherapy and targeted drug therapy are also prescribed.

Tags:  cancer,oral cancer,

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