hrp0098p3-282 | Late Breaking | ESPE2024

Fibrous dysplasia of the bone, a disabling complication of McCune Albright syndrome: a case report

Zerguine Halima , Khenane Nacer , Hadef Djohra

Introduction: McCune-Albright syndrome (MAS) is a rare sporadic condition defined by the classic triad of fibrous dysplasia of bone, café au lait skin macules, and hyperfunctioning endocrinopathies. The molecular basis of MAS has been ascribed to the post-zygotic somatic gain-of-function mutations in the GNAS gene, which encodes the alpha subunit of G proteins, leading to constitutive activation of several G Protein-Coupled Receptors (GPCRs). Our aimis ...