Abstract
Purpose
To retrospectively evaluate the age of onset of MEN1-associated lesions in a group of affected children and adolescents and to compare the clinical features of our series with the evidence derived from the literature.
Methods
The study population consisted of 22 Italian children and adolescents (age 6–31 years at the time of the inclusion in this study) all with a clinical and/or a genetic diagnosis of MEN1 performed before the age of 16 who have been followed-up regularly from 1998 to 2016 at the Regional Referral Center for Hereditary Endocrine Tumors. Clinical, biochemical, imaging and genetic data have been collected for each patient.
Results
Ten subjects (45.5%) have not yet presented any clinical/biochemical/radiological manifestation of MEN1 disease, whereas 12 patients (54.5%) developed at least one MEN1-associated endocrine manifestation. The second group of patients was significantly older than the first one. The most frequent manifestation was primary hyperparathyroidism (50%), followed by pituitary tumors (prolactinomas) (31.8%) and nonfunctioning pancreatic neuroendocrine tumors (9%). The earliest cases of primary hyperparathyroidism and prolactinoma were a 12-year-old girl and a 13-year-old boy, respectively.
Conclusions
MEN1 disease seems to present with different features in children and adolescents from those in adults. Our study confirms the fundamental importance of screening for tumors in young MEN1 patients beginning in early childhood, in order to avoid diagnostic and therapeutic delays.
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This study was supported by AIMEN 1 & 2.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Vannucci, L., Marini, F., Giusti, F. et al. MEN1 in children and adolescents: Data from patients of a regional referral center for hereditary endocrine tumors. Endocrine 59, 438–448 (2018). https://doi.org/10.1007/s12020-017-1322-5
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DOI: https://doi.org/10.1007/s12020-017-1322-5