Types of oral cancer

Understanding mouth cancer types

Oral (mouth) cancer can develop in several ways, with about 90 percent of cases starting in the squamous cells that line the mouth, throat, nose, and vocal cords (larynx). The specific type of mouth cancer determines the treatment plan and care you’ll need

Most common types of oral cancer

The main types of mouth cancer include:  

  • Squamous cell carcinoma: The most common type of mouth cancer, it affects the thin, flat cells lining the inside of the mouth and throat. 
  • Salivary gland cancers: These cancers originate in the ducts or tubes that drain the salivary glands and include adenoid cystic carcinoma, mucoepidermoid carcinoma, polymorphous low-grade adenocarcinoma, and carcinoma ex-pleomorphic adenoma.  
  • Lymphomas: This type develops in the lymph tissue in the tonsils and base of the tongue.  
  • Sarcomas: These rare cancers begin in the connective tissues of the mouth, such as bone, cartilage, or muscle.  
  • Mucosal melanoma: A rare type of cancer, it starts in the pigment-producing cells of the gums or the roof of the mouth.  

Areas where mouth cancer can develop

Oral cancer can affect different parts of the mouth, each requiring specific treatments and care.

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