US7 Oral mucosal ulcerations
Oral mucosal ulcer represents a localized loss of the lining epithelium and sometimes also of the subjacent connective tissue. It could be persistent or recurrent and also single or multiple. As regards those persistent a large variety of etiologic factors have been suggested: this kind of ulcers could be a sign of a localised direct reaction to any physical/chemical injury or due to a drug-related reaction (e.g. by chemotherapy). Mucosal ulceration could also occur in a multiplicity of diseases such as neoplasia, infection, immune-mediated disease or as sign of systemic diseases (e.g. of blood, skin or gastrointestinal tract). A correct diagnosis needs to collect as carefully as possible s…