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==Overview==
==Overview==
'''Oral cancer''' is any [[cancer|cancerous]] tissue growth located in the [[mouth]]. It may arise as a primary lesion originating in any of the oral tissues, by [[metastasis]] from a distant site of origin, or by extension from a neighboring anatomic structure, such as the [[nasal cavity]] or the [[maxillary sinus]]. Oral cancers may originate in any of the tissues of the mouth, and may be of varied [[Histology|histologic]] types: [[teratoma]], [[adenocarcinoma]] derived from a major or minor [[salivary gland]], [[lymphoma]] from [[Tonsil|tonsillar]] or other [[Lymphatic system|lymphoid]] tissue, or [[melanoma]] from the pigment producing cells of the oral mucosa. Far and away the most common oral cancer is [[squamous cell carcinoma]], originating in the tissues that line the mouth and lips.
Oral cancer or mouth cancer is a type of head and neck cancer and is any cancerous tissue growth located in the oral cavity. It may arise as a primary lesion originating in any of the tissues in the mouth, by metastasis from a distant site of origin, or by extension from a neighboring anatomic structure, such as the nasal cavity. Alternatively, the oral cancers may originate in any of the tissues of the mouth, and may be of varied histologic types: teratoma, adenocarcinoma derived from a major or minor salivary gland, lymphoma from tonsillar or other lymphoid tissue, or melanoma from the pigment-producing cells of the oral mucosa.  
Oral or mouth cancer most commonly involves the tissue of the lips or the [[tongue]]. It may also occur on the floor of the mouth, cheek lining, [[gingiva]] (gums), or palate (roof of the mouth). Most oral cancers look very similar under the microscope and are called [[squamous cell carcinoma]]. These are [[malignant]] and tend to spread rapidly.
 
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}

Revision as of 13:10, 2 September 2015

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]

Overview

Oral cancer or mouth cancer is a type of head and neck cancer and is any cancerous tissue growth located in the oral cavity. It may arise as a primary lesion originating in any of the tissues in the mouth, by metastasis from a distant site of origin, or by extension from a neighboring anatomic structure, such as the nasal cavity. Alternatively, the oral cancers may originate in any of the tissues of the mouth, and may be of varied histologic types: teratoma, adenocarcinoma derived from a major or minor salivary gland, lymphoma from tonsillar or other lymphoid tissue, or melanoma from the pigment-producing cells of the oral mucosa.

References

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