Shepherd’s Crook Deformity

Shepherd’s crook deformity: Do you recognize this sign?

“…[ 5 ] Although classically linked with FD, there are some reports of this finding associated with osteogenesis imperfecta and Paget disease. [ 6 ] In this case, the clinical history and the radiographic findings exclude these diagnoses. Surgical correction of this deformity remains technically challenging.…”