The patient’s father passed away due to complications from peptic ulcer and was originally from Baixo Jaguaribe, a microregion in Ceará with high rates of MEN1, according to data from a previous study that evaluated the oral health of a group of patients from the region with a familial form of MEN1, monitored at the Clinical Endocrinology and Diabetes department of the Hospital Complex of the Federal University of Ceará (CH-UFC/Ebserh) in Fortaleza, CE (5). The gene discussed is MEN1; the disease is diabetes mellitus.