Necrotizing sialometaplasia ns is a selflimiting, benign, inflammatory disease of the minor salivary glands of the hard palate. Necrotizing sialometaplasia ns which mimics malignancy both clinically and histopathologically is an uncommon benign, selflimiting inflammatory disease of the mucussecreting minor salivary glands. Necrotizing sialometaplasia is a completely benign lesion that is most likely caused by ischemia secondary to trauma examples of causes could be dental injection or hot liquid burn. What links here related changes upload file special pages permanent link page. Necrotizing sialometaplasia ns is a benign, selflimiting inflammatory reaction of salivary gland tissue which may mimic squamous cell carcinoma or mucoepidermoid carcinoma, both clinically and histologically, that creates diagnostic dilemma leading to unwarranted aggressive surgery.
The aim of this article is to report a case of necrotizing sialometaplasia with longterm followup. Case report necrotising sialometaplasia at multiple sites. Necrotizing sialometaplasia ns is a rare benign inflammatory disease that affects the major and minor salivary glands. Files are available under licenses specified on their description page. Often painless, the condition is selflimiting and should heal in 610 weeks. Learning points necrotising sialometaplasia is a localised selfregressing in. Cystic form of necrotizing sialometaplasia in sublingual salivary gland. Curriculum vitae summary adalberto mosqueda taylor graduated of the school of stomatology, universidad autonoma metropolitana xochimilco. Guilbert f, chomette g, le charpentier y, auriol m. All structured data from the file and property namespaces is available under the creative commons cc0 license.
The lesion is believed to be the result of vascular ischemia that may be initiated by trauma. This page was last edited on 2 october 2019, at 08. A isquemia desta arteria e necrose dos tecidos da submucosa palatina e. Necrotizing sialometaplasia ns is a benign disease showing inflammatory response which occurs in minor salivary glands mimicking a malignant lesion both clinically and histologically. It is thought to be caused by ischemic necrosis death of tissue due to lack of blood supply of minor salivary glands in response to trauma. The lesion occurs due to vascular ischemia caused by trauma. Necrotizing sialometaplasia is a rare, benign reactive necrotizing lesion, involving sites where salivary gland tissue is usually present. Reactive, self resolving condition, mostly affecting the palate heals within 6 10 weeks etiology is thought to be reaction to trauma or smoking in the presence of existing tissue ischemia. Necrotizing sialometaplasia ns is a benign condition that may be found at any site in the body that contains elements of the salivary gland. Necrotizing sialometaplasia ns is a benign, selflimiting inflammatory reaction of salivary gland tissue which may mimic squamous cell carcinoma or. Till date, the diagnosis of ns remains a challenge. Necrotizing sialometaplasia ns is a benign, ulcerative lesion, usually located towards the. Pdf necrotizing sialometaplasia and atheromatous emboli were present in the larynx five weeks after manipulation of an atherosclerotic aneurysm.