It may be asymptomatic, but pain and limb deformity may occur and can be very debilitating.
[ncbi.nlm.nih.gov]
Patients may be asymptomatic or may experience symptoms such as stiffness, pain (typically worsened by activity), impaired joint mobility, altered limb length, deformity,
[ispub.com]
It is often asymptomatic but occasionally presents with pain and contractures.
[ncbi.nlm.nih.gov]