Squamous Cell Carcinoma Base Of Tongue Radiology

Scca comprises over 95 of all malignancies of the tongue.

Squamous cell carcinoma base of tongue radiology.

Squamous cell carcinoma tongue dr ian bickle and assoc prof frank gaillard et al. Almost all cancers in the base of the tongue are squamous cell carcinomas which form in the thin flat cells that line the larynx. Cancer that develops in the base of the tongue is a type of head and neck cancer. It has mild extension across the midline to the left side.

Squamous cell carcinoma of the tongue has tobacco smoking and alcohol ingestion as major risk factors and spans two regions. The following article reflects the 8 th edition published by the american joint committee on cancer ajcc published in 2017 and corrected in 2018 1 3. There is thickening of the epiglottis aryepiglottic folds and left lateral and posterior walls of the oro and hypopharynx with mucosal thickening seen in the left posterior wall likely to represent submucosal tumor spread and edema. The posterior portion of the tongue base becomes continuous with the vallecula.

Oral cavity carcinoma staging refers to tnm staging of carcinomas involving the oral cavity the vast majority of applicable cases are squamous cell carcinomas but other epithelial and minor salivary gland cancers are also included. A separate right faucial tonsil mass is present 16 x 12 mm and involves the left faucial tonsil in direct continuation. Therefore the squamous cell carcinomas sccas of the tongue or valleculae are often considered together and classified as a subsite of the oropharynx. A mass is centered in the left base of tongue filling the vallecula fossa.

Most tongue base tumors arise from the mucosa and are squamous cell carcinoma scc. The anterior two thirds oral tongue is a common subtype of squamous cell carcinoma of the oral cavity whereas the posterior third base of tongue is considered part of the oropharynx. A bulky lobulated mass at the base of the tongue near the lingual tonsil with extension into the valleculae bilaterally 41 x 21mm.