Fetal Nutrition and Timing of Puberty

Author(s):  
M.M. van Weissenbruch, ◽  
M.J.T. Engelbregt ◽  
M.A. Veening ◽  
H.A. Delemarre-van de Waal
2021 ◽  
Vol 47 (1) ◽  
Author(s):  
Valentina Orlandi ◽  
Paolo Cavarzere ◽  
Laura Palma ◽  
Rossella Gaudino ◽  
Franco Antoniazzi

Abstract Background Central precocious puberty is a condition characterized by precocious activation of the hypothalamic-pituitary-gonadal axis. It may be idiopathic or secondary to organic causes, including syndromes such as Neurofibromatosis type 1 (NF1). Case presentation We presented a girl of 6 years and 10 months with almost 11 café-au-lait skin macules, without other clinical or radiological signs typical of NF1, and with a central precocious puberty. Genetic analysis evidenced the new variant NM-152594.2:c.304delAp. (Thr102Argfs*19) in SPRED1 gene, which allowed to diagnose Legius syndrome. Conclusions We report for the first time a case of central precocious puberty in a girl with Legius syndrome. The presence of central precocious puberty in a child with characteristic café-au-lait macules should suggest pediatricians to perform genetic analysis in order to reach a definitive diagnosis. Further studies on timing of puberty in patients with RASopathies are needed to better elucidate if this clinical association is casual or secondary to their clinical condition.


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