Diseases of tongue

**Definition:** Any pathological process affecting the structural tissues of the tongue with or without interference of its normal functions.

**Long definition:** Any pathological process effecting the structural tissues of the tongue with or without interference of its normal functions in manipulation of food in mastication and deglutition, speech production and taste.

**Exclusions:** - erythroplakia of tongue - leukoedema of tongue - leukoplakia of tongue - Hairy leukoplakia - submucous fibrosis of tongue - Ankyloglossia