hrp0089p3-p270 | Multisystem Endocrine Disorders P3 | ESPE2018

Case Report: Neonatal McCune–Albright Syndrome with Juvenile Ovarian Granulosa Cell Tumor in a 4 Months Old Girl

Schulz Esther , Klohs Stephan , Konigs Ingo , Maiberger Thomas , Nissen Johanna , Schafer Hansjorg , Saeger Wolfgang , Schnegg Clivia , Mir Thomas , Kozlik-Feldmann Rainer Gerhard , Akkurt Ilker

Introduction: McCune–Albright syndrome (MAS) is a rare disease resulting from a somatic activating mutation of GNAS1 encoding the Gs-alfa subunit of the G-protein coupled membrane receptor responsible for multiple hormonal signaling cascades leading to the classical trias: polyostotic fibrous dysplasia, café-au-lait hyperpigmentation and GnRh independent precocious puberty. Early manifestation is accompanied with multiple organ involvement and may lead to ACTH-indepe...