label: osteogenesis imperfecta type 2
label_lc: osteogenesis imperfecta type 2
description: Osteogenesis imperfecta type II is a lethal type of osteogenesis imperfecta (OI), a genetic disorder characterized by increased bone fragility, low bone mass and susceptibility to bone fractures. Patients with type II present multiple rib and long bone fractures at birth, marked deformities, broad long bones, low density on skull X-rays, and dark sclera.