Stomatitis of exposure to the allergen. Migratory stomatitis (or geographic stomatitis) is an atypical presentation of a condition which normally presents on the tongue, termed geographic tongue. Geographic tongue is so named because there are atrophic, erythematous areas of depapillation that migrate over time, giving a map-like appearance. In migratory stomatitis, other mucosal sites in the mouth, such as the ventral surface (undersurface) of the tongue, buccal mucosa, labial mucosa, soft palate, or floor of mouth may be afflicted with identical lesions, usually in addition to the tongue. Apart from not being restricted to the tongue, migratory stomatitis is an identical
Aphthous stomatitis this condition. The origin of the word "canker" is thought to have been influenced by Latin, Old English, Middle English and Old North French. In Latin, "cancer" translates to "malignant tumor" or literally "crab" (related to the likening of sectioned tumors to the limbs of a crab). The closely related word in Middle English and Old North French, "chancre", now more usually applied to syphilis, is also thought to be involved. Despite this etymology, aphthous stomatitis is not a form of cancer but rather entirely benign. An aphtha (plural "aphthae") is a non specific term that refers to an ulcer