Squamous Cell Carcinoma Base Of Tongue Radiology

Almost all cancers in the base of the tongue are squamous cell carcinomas which form in the thin flat cells that line the larynx.

Squamous cell carcinoma base of tongue radiology.

Scca comprises over 95 of all malignancies of the tongue. 2 3 the differential diagnosis for masses of the tongue base includes normal lymphatic tissue ectopic thyroid tissue lymphoma lipoma hemangioma schwannoma granular cell tumors benign and malignant tumors of minor salivary gland origin rhabdomyosarcoma and metastatic disease. 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.

A bulky lobulated mass at the base of the tongue near the lingual tonsil with extension into the valleculae bilaterally 41 x 21mm. Imaging in malignancy of the oral cavity and role of pet ct in squamous cell carcinoma of head and neck region 15 december 2016 magnetic resonance imaging and computed tomography in the assessment of mandibular invasion by squamous cell carcinoma of the oral cavity. 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 separate right faucial tonsil mass is present 16 x 12 mm and involves the left faucial tonsil in direct continuation.

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. Cancer that develops in the base of the tongue is a type of head and neck cancer. Squamous cell carcinoma tongue dr ian bickle and assoc prof frank gaillard et al.

It has mild extension across the midline to the left side. Therefore the squamous cell carcinomas sccas of the tongue or valleculae are often considered together and classified as a subsite of the oropharynx. Squamous cells also make up the top layer of skin and other body parts such as the lungs and esophagus.