Article
Genotype-phenotype correlation and challenges in mutation detection in McCune-Albright syndrome: A retrospective study of a French cohort.
Annales d'endocrinologie - 1 May 2026
Giannetti Camille, Aouchiche Karine, Lagarde Arnaud, Barets Doriane, Mallet Stéphanie, Salenave Sylvie, Brue Thierry, Reynaud Rachel, Barlier Anne, Romanet Pauline
Abstract excerpt
BACKGROUND: McCune-Albright syndrome MAS is a rare mosaic disorder caused by post-zygotic GNAS activating mutations. MAS is characterized by fibrous dysplasia (FD) of the skeleton, café-au-lait skin macules, and hyperfunctioning endocrinopathies such as precocious puberty, thyroid disease, growth hormone excess, and FGF23-mediated phosphate wasting. Mosaicism leads to marked clinical heterogeneity and complicates...
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