base of tongue


Also found in: Acronyms.

root of tongue

[TA]
the posterior attached portion of the tongue.
Synonym(s): radix linguae [TA], base of tongue

base of tongue

The portion of the tongue directed posteriorly and superiorly, which lies behind the sulcus terminalis and attaches into the hyoid bone.
 
Surgical anatomy
An area defined by the American Joint Committee on Cancer as extending from the line of the circumvallate papillae to the junction of the base of the epiglottis (valleculae), including the pharyngoepiglottis and glossoepiglottic folds.

base of tongue

Surgical anatomy An area defined by the Am Joint Committee on Cancer, as extending from the line of the circumvallate papillae to the junction of the base of the epiglottis–valleculae, including the pharyngoepiglottis and glossoepiglottic folds See Oropharynx, Oropharynx proper.

root of tongue

(rūt tŭng) [TA]
Posterior attached portion of tongue.
Synonym(s): base of tongue.
References in periodicals archive ?
Since most of the SCCs of the tonsil and base of tongue were positive for HPV16 in our study, we recommend using Cervista HPV 16/18 testing as the first-line testing assay, with Cervista HPV HR testing reserved for cases with a negative HPV16/18 result.
Overall, the airway measurements during propofol and dexmedetomidine sedation for MRI study in spontaneously breathing children with neurological disability were similar, except for narrower transverse dimensions at the level of soft palate, and greater airway collapsibility at the base of tongue with propofol sedation.
Similarly, the mean age of pharyngeal Ca, oesophageal Ca, oral cavity Ca, tonsillar Ca, carcinoma base of tongue, Ca lip, Ca salivary gland, sinonasal malignancy and thyroid carcinoma are 64.67 [+ or -] 10.3 years, 70.43 [+ or -] 8.9 years, 60.23 [+ or - ] 6.8 years, 61.2 [+ or -] 3.8 years, 59.67 [+ or -] 8.90 years, 63.67 [+ or -] 8.67 years, 67.63 [+ or -] 8.56 years, 54.67 [+ or -] 10.2 years and 30.56 [+ or -] 4.6 years respectively.
Less frequent sites were valecullae and base of tongue. These results are concurrent with studies on the same subject14.
Although declining incidence rates were observed for most anatomical sites in most racial/ethnic groups and in both sexes, the incidence of oropharynx cancers, mainly base of tongue (PC = 62.3) and tonsil (PC = 64.3), significantly increased in NHW men from 1992-1998 to 2003-2009 (p<0.05; Table 2).
It has recently been established as a cause of the majority of oropharyngeal cancers, a malignancy of the tonsils and base of tongue.
Approximately two thirds of cancers of the base of tongue and tonsil are caused by HPV and 80 per cent of these cases occur in men.
Leading head and neck surgeons used the PS2m Da Vinci robot to remove cancers of the tonsil, base of tongue and voice box on the same day.
With regards to airway obstruction, there are three main areas where it can occur - the nose, back of the mouth (soft palate and uvula) and base of tongue.
A contrast enhanced computed tomography scan on the base of the skull/neck-T4 level showed a cystic lesion in the base of tongue measuring 12.8x10.3 mm.
Mouth cancer has been described as a "horrible insidious disease" that occurs in those very visible parts of the mouth that we are all familiar with, but also includes the tonsils, base of tongue, soft palate, side and back of throat (often referred to as the upper digestive tract).
During the past decades, studies from the United States, Finland, Sweden, the Netherlands, the United Kingdom, and Scotland showed an increase in the incidence of OSCC, tonsillar cancer, and base of tongue cancer (31-36).