comparatively analyzed the transplant outcomes of pediatric patients with GATA2 deficiency with those of patients without, and revealed that neurologic toxicities (six of 15 cases) and thrombotic events (eight out of 15 cases) were more common in patients with GATA2 deficiency, although the underlying mechanism is uncertain (79). Here, GATA2 is linked to hyperinsulinemic hypoglycemia, familial, 4.