Salivary mucocoele is a term used to describe the abnormal accumulation of saliva outside of a salivary gland. The cause of mucocoeles is often unknown but it may occur when salivary glands or ducts are ruptured. Mucocoeles are not true cysts because they are not lined by a layer of epithelium but by inflammatory connective tissue. The sublingual and mandibular salivary glands are most commonly involved but any of the glands produce a mucocoele. The saliva accumulates in one of three places: | Salivary mucocoele is a term used to describe the abnormal accumulation of saliva outside of a salivary gland. The cause of mucocoeles is often unknown but it may occur when salivary glands or ducts are ruptured. Mucocoeles are not true cysts because they are not lined by a layer of epithelium but by inflammatory connective tissue. The sublingual and mandibular salivary glands are most commonly involved but any of the glands produce a mucocoele. The saliva accumulates in one of three places: |