MS-3162

MS-3162

A 26-year-old woman comes to her GP complaining of low back pain. She is in good health otherwise. She reports several finger and wrist fractures during her childhood. Her father and sister have also experienced multiple fractures throughout their lives. On examination, she displays paralumbar tenderness and scoliosis. Her sclera is blue-grey. What type of collagen mutation is likely responsible for her condition?