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  • Title: Cutaneous lesions associated to multiple endocrine neoplasia syndrome type 1.
    Author: Vidal A, Iglesias MJ, Fernández B, Fonseca E, Cordido F.
    Journal: J Eur Acad Dermatol Venereol; 2008 Jul; 22(7):835-8. PubMed ID: 18435740.
    Abstract:
    BACKGROUND: Multiple endocrine neoplasia type 1 (MEN1) is a genetic disease that predisposes to endocrine tumour development. Some cutaneous lesions (angiofibromas, collagenomas, melanosis guttaca, lipomas, melanomas, 'cafe au lait macules') have been associated to this syndrome. We compare the prevalence of cutaneous lesion in affected patients with their non-carrier relatives. PATIENTS AND METHOD: We studied 9 patients with MEN1 and 20 non-carrier, first-degree relatives. Genetic screening was realized in all of them. Patients were examined by dermatologist, and biopsy was performed when necessary. RESULTS: Patients with MEN1 presented hyperparathyroidism (100%), neuroendocrine tumours of pancreas (66%) and pituitary adenomas (44%); their relatives were free of endocrine features of MEN1. The studied cutaneous lesions were more prevalent in affected patients than in non-carriers (55.5% vs. 25%; P = 0.029). Odds ratio of developing cutaneous lesions in MEN1 patients was 6.6 (95% confidence interval, 1.09-40.43). The frequency of angiofibromas was lower (22.2%) than the reported in other studies (43-88%), and we did not find any collagenoma. CONCLUSIONS: MEN1 is associated to some cutaneous lesions and could be useful for detecting MEN1 carriers in an affected family. Cutaneous lesions should be assessed in MEN1 patients.
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