gums

Squamous cell carcinoma in situ of the oral cavity

What is squamous cell carcinoma in situ of the oral cavity? Squamous cell carcinoma in situ (CIS) is a non-invasive type of oral cavity cancer. The oral cavity includes the lips, tongue, floor of mouth, cheeks, and hard palate. If left untreated, squamous cell carcinoma in situ is associated with a high risk of developing …
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Squamous dysplasia of the oral cavity

What is squamous dysplasia in the oral cavity? Squamous dysplasia (also called epithelial dysplasia) is a precancerous disease that starts from specialized squamous cells that cover the inside surface of the oral cavity. This area includes the lips, tongue, floor of mouth, cheeks, and hard palate. Squamous dysplasia is considered a pre-cancerous disease because it …
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