Pennsylvania boy back to running, playing sports after treatment for rare hip disorder at CHOP

A little boy from Montgomery County, Pennsylvania, endured years of treatment for a rare childhood hip disorder, and now he's back to playing sports.

Doctors say 9-year-old Landon Gallo had to be temporarily immobilized, making for a challenging journey. But now he's better than ever, even sprinting without pain, after his treatment at the Children's Hospital of Philadelphia.

Three years ago, Landon was limping and sidelined with pain that was originally thought to be growing pains.

"It was like the inside of, like my bone hurt, like my hip bone hurt," Landon said.

He was eventually diagnosed with Legg-Calvé-Perthes disease , which happens when blood flow to the hip socket is interrupted. Left untreated, it can cause bone damage and a painful disability.

"When I first heard the diag