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Am J Med Genet A. 2012 Jun;158A(6):1406-10. doi: 10.1002/ajmg.a.35329. Epub 2012 Apr 23.

Extensive abdominal lipomatosis in a patient with Noonan/LEOPARD syndrome (Noonan syndrome-Multiple Lentigines).

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  • 1Centre de Référence Syndromes Malformatifs et Anomalies du Développement, Service de Médecine Infantile III et Génétique Clinique, CHU de Nancy et PRES de l'Université de Lorraine, UHP, Nancy, France. jpiard@chu-besancon.fr


Noonan syndrome (NS) is a tumor predisposing disorder. Leukemia is observed in 1-3% of patients with NS, with rare occurrences of solid tumors. It also appears to predispose to non-malignant tumors. We report on a 26-year-old female with features of Noonan syndrome-Multiple Lentigines and a heterozygous mutation: c.1517A > C-p.Gln506Pro in the PTPN11 gene. The patient developed an unusual extensive lipomatosis and we discuss possible relationship between her lipomatosis and NS.

Copyright © 2012 Wiley Periodicals, Inc.

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