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In medical terms, head and neck cancer refers to a group of cancers that develop in the mouth, throat, larynx, nose, sinuses or salivary glands. In India it accounts for nearly 30% of all cancers and 60% to 80% of the patients are diagnosed at the advanced stage of the disease. In about 75% cases, head and neck cancer is caused due to consumption of alcohol or tobacco. The condition is often curable, if it is diagnosed well in time and treatment usually includes a combination of chemotherapy, radiation therapy and targeted therapy.


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While a computed tomography (CT) scan presents a detailed image of tissues and organs inside the human body, a positron emission tomography (PET) scan detects and shows abnormal activity. By combining the two imaging techniques, one can get detailed cancer information, learn its stage, and chart the course of treatment. The hybrid device, pet CT has revolutionized the face of medical diagnosis by the amalgamation of functional information obtained by PET and structural details of CT scans to provide precise and localized results.


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One of the biggest endocrine glands, the thyroid gland affects almost every cell in the human body. It is responsible for the regulation of the metabolism and weight by controlling the fat-burning process. Apart from this, thyroid hormones are also required for the growth and development of children and in nearly every physiological process in the body. Weighing somewhere between 20 and 60 grams, the thyroid gland is a butterfly-shaped gland found inside the neck, right under the larynx or voice box.


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According to WHO, tobacco consumption continues to be the leading preventable cause of death in the world. It is responsible for more than 7 million deaths across the world. More than 6 million of those deaths are the result of direct tobacco use while around 890 000 are the result of non-smokers being exposed to second-hand smoke.


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