A Rare Cause of Hypertestosteronemia in a 68-Year-Old Patient: A Leydig Cell Tumor Due to a Somatic GNAS (Guanine Nucleotide-Binding Protein, Alpha-Stimulating Activity Polypeptide 1)-Activating Mutation
A rare cause of hypertestosteronemia in a 68-year-old patient: a Leydig cell tumor due to a somatic GNAS (guanine nucleotide-binding protein, alpha-stimulating activity polypeptide 1)-activating mutation.