Rare disease turning Colorado boy’s muscles, ligaments and joints into bone
CASTLE ROCK, Colo. -- Caleb Burgess loves baseball and just being a kid like any other active 11 year old -- except for a rare diagnosis. "Fibrodysplasia Ossificans Progressiva," his mom, Stephanie Burgess, explained. It’s known as FOP, a disease so uncommon it took several doctors and one of the world's leading researchers to diagnose Caleb.