Head & Neck Cancer

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Head & Neck Cancers

Cancers that are known collectively as head and neck cancers usually begin in the squamous cells that line the mucosal surfaces of the head and neck (for example, those inside the mouth, throat, and voice box). These cancers are referred to as squamous cell carcinomas of the head and neck. Head and neck cancers can also begin in the salivary glands, sinuses, or muscles or nerves in the head and neck, but these types of cancer are much less common than squamous cell carcinomas.

Head and neck cancer includes cancers of the:

  • Oral cavity: lips, tongue, gums, lining of the cheeks and lips, bottom and top of the mouth, and behind the wisdom teeth. The most common type of head and neck cancer.
  • Salivary glands: These produce the saliva that keeps your mouth and throat moist. The main glands are on the bottom of the mouth and near the jawbone.
  • Sinuses: the hollow spaces in the bones surrounding the nose.
  • Nasal cavity: the hollow area inside the nose.
  • Tonsils
  • Throat (pharynx)
  • Voicebox (larynx)
  • Ears
  • Lymph nodes in the upper part of the neck

Despite their locations, brain, eye and thyroid cancers aren’t usually referred to as head and neck cancers.

Nasopharyngeal Cancer

Lip and Oral Cavity (Tongue/Floor of mouth/Palate/ Gums/Cheek/Teeth) is one of the important sub site of Head & Neck and is of vital importance as it forms the inlet for our body and responsible for all our nutrition/ taste/ phonation, etc. Lip and Oral Cavity Cancer is a disease in which cancer (malignant) cells are found in the tissues of the lip or mouth. The oral cavity includes the front two thirds of the tongue, the upper and lower gums (the gingiva), the lining of the inside of the cheeks and lips (the buccal mucosa), the bottom (floor) of the mouth under the tongue, the bony top of the mouth (the hard palate) and the small area behind the wisdom teeth (the retromolar trigone).

Paranasal Sinus And Nasal Cavity Cancer

‘Paranasal’ means near the nose. The paranasal sinuses are hollow, air-filled spaces in the bones around the nose. Paranasal Sinus and Nasal Cavity Cancer is a disease in which malignant cells form in the tissues of the paranasal sinuses and nasal cavity.

Lip And Oral Cavity Cancer

Lip and Oral Cavity (Tongue/Floor of mouth/Palate/ Gums/Cheek/Teeth) is one of the important sub site of Head & Neck and is of vital importance as it forms the inlet for our body and responsible for all our nutrition/ taste/ phonation, etc. Lip and Oral Cavity Cancer is a disease in which cancer (malignant) cells are found in the tissues of the lip or mouth. The oral cavity includes the front two thirds of the tongue, the upper and lower gums (the gingiva), the lining of the inside of the cheeks and lips (the buccal mucosa), the bottom (floor) of the mouth under the tongue, the bony top of the mouth (the hard palate) and the small area behind the wisdom teeth (the retromolar trigone).

Oropharyngeal Cancer

Oropharynx is an area that connects Oral Cavity to the upper part of the Neck and forms a small pouch carrying important subsites of Head & Neck. Oropharyngeal Cancer is a disease in which malignant cells form in the tissue of oropharynx.

Laryngeal Cancer

Larynx or the Voice Box is one of the most important site of Head & Neck area and helps in phonation. These cancers generally present early due to early change in voice, apart from other common generalised cancer symptoms. Cancer that forms in tissues of the larynx (area of the throat that contains the vocal cords and is used for breathing, swallowing and talking). Most Laryngeal Cancers are Squamous Cell carcinomas (cancer that begins in flat cells lining the Larynx).

Hypopharyngeal Cancer

Hypopharyngeal area of Head & Neck is a small area which forms a common junction of the food pipe and wind pipe in the body. Smoking, like Lung Cancer, can cause Hypopharyngeal Cancer because it contains carcinogens that alter the DNA or RNA in a dividing cell. Chewing tobacco can have the same effects as smoking and is also linked to Hypopharyngeal Cancer. Heavy alcohol use is linked to Hypopharyngeal Cancer as well.

Metastatic Squamous Neck Cancer With Occult Primary

There can be situations where patient present with Neck Nodes, but no primary focus of the disease in Head & Neck region even after through investigations from all possible modalities. Metastatic Squamous cells are thin, flat cells found in tissues that form the surface of the skin and the lining of body cavities such as the mouth, hollow organs such as the uterus and blood vessels and the lining of the respiratory (breathing) and digestive tracts. Some organs with squamous cells are the esophagus, lungs, kidneys and uterus. Cancer can begin in squamous cells anywhere in the body and metastasize (spread) through the blood or lymph system to other parts of the body.

Parathyroid Cancer

Parathyroid Cancer is a malignant (cancerous) growth in a parathyroid gland. This type of cancer is primarily caused by Hypercalcemia (high levels of calcium in the blood) and may affect various parts of the body. People who had head or neck radiation may also be at increased risk. Such radiation exposure, however, is more often connected with Thyroid Cancer.