Multiple endocrine neoplasia type 2B: maxillofacial significance in 5 cases

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Robert Bruce MacIntoshMichael Lee


This paper intends to review for the oral and maxillofacial surgery community the MEN abnormalities generally, to emphasize the maxillofacial abnormalities peculiar to the MEN2B variant particularly, and to demonstrate the importance of early recognition of its most important component, medullary thyroid carcinoma. The findings in five individuals with confirmed diagnoses of MEN2B are arranged to demonstrate the various manifestations of the disorder, and together represent the largest single group in the oral and maxillofacial surgery literature to date. Tabulation of the patients' individual findings demonstrates the variants and severity of the disorder, discloses findings not previously emphasized in the literature, and stresses the significance of early recognition of medullary thyroid carcinoma. The evidence in this study group suggests that the oral mucosal lesions are more commonly neurofibromas than neuromas as previously reported, that the characteristic dental central diastemas may occur independent of tongue size or the presence of oral soft tissue lesions, and that the characteristic apertognathia potentially requires surgical correction.


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Dec 12, 2012·Muscle & Nerve·Ana M Ramos-LevíDavid Araújo-Vilar

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Dec 15, 2017·Journal of Cancer Research and Therapeutics·Meihua ZhangZheng Sun

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