hrp0097p1-320 | Growth and Syndromes | ESPE2023
Hogeabri Dorna
, Schwarz Stephanie
, Oehl-Jaschkowitz Barbara
, Gawai Monika
, Zemlin Michael
, Rohrer Tilman
Background: In the vast majority of cases, achondroplasia and hypochondroplasia are attributable to hotspot missense mutations in the FGFR3 gene. 96% of patients have a G(1138)A and 3% have a G(1138)C point mutation. We report on a family whose members have a deep intronic mutation that leads to a novel cryptic splicing variant of the FGFR3 gene, and via this pathway results in new pathogenicity manifesting as achondroplasia.Case...