Transcervical Ultrasonography Is Feasible to Visualize and Evaluate Base of Tongue CancersReport as inadecuate




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Background

Base of tongue BOT is a difficult subsite to examine clinically and radiographically. Yet, anatomic delineation of the primary tumor site, its extension to adjacent sites or across midline, and endophytic vs. exophytic extent are important characteristics for staging and treatment planning. We hypothesized that ultrasound could be used to visualize and describe BOT tumors.

Methods

Transcervical ultrasound was performed using a standardized protocol in cases and controls. Cases had suspected or confirmed BOT malignancy. Controls were healthy individuals without known malignancy.

Results

100% of BOT tumors were visualized. On ultrasound BOT tumors were hypoechoic 90.9% with irregular margins 95.5%. Ultrasound could be used to characterize adjacent site involvement, midline extent, and endophytic extent, and visualize the lingual artery. No tumors were suspected for controls.

Conclusions

Ultrasonography can be used to transcervically visualize BOT tumors and provides clinically relevant characteristics that may not otherwise be appreciable.



Author: Ray Gervacio F. Blanco, Joseph Califano, Barbara Messing, Jeremy Richmon, Jia Liu, Harry Quon, Geoffrey Neuner, John Saunders, Pa

Source: http://plos.srce.hr/



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