hrp0092p1-65 | Fetal, Neonatal Endocrinology and Metabolism (to include Hypoglycaemia) | ESPE2019

Congenital Hyperinsulinism Due to Pancreatic Mosaicism for Paternal Uniparental Disomy of all Chromosome 11, with the Additional Finding of Pancreatic Mosaicism for Trisomy 12

Conwell Louise , Harraway James , Williams Mark , Joy Christopher , Scurry Bonnie , Lee Kevin , McBride Craig , Choo Kelvin , Huynh Tony , Ng Carolyn , Flanagan Sarah

We report a term male with diazoxide-unresponsive congenital hyperinsulinism (CHI) (spontaneous conception, non-consanguineous, no family history). The patient did not have macroglossia, exomphalos or lateralised overgrowth (cardinal Beckwith-Wiedemann spectrum (BWSp) features) (1). There was no polyhydramnios, macrosomia, facial naevus simplex, ear creases/pits, diastasis recti or nephromegaly/hepatomegaly (suggestive BWSp features) (1).A targeted massi...