Kashif Mahmood, Anisuddin Bhatti.
Dislocated cone of modular total hip arthroplasty.
J Pak Orthop Assoc Jan ;23(2):75-9.

The dislocation of the Total Hip Arthroplasty (THA) is not an uncommon complication. However; spontaneous dismantling and dislocation of the cone of modular THA have never been reported so for as we know. We are reporting such a unique dislocation of THA cone in a 53 years old male, developed due to frequent squatting. Patient developed pain, instability and limp one year after THA, he continued to walk with support for the next two years, when he was diagnosed to have dislocated cone of THA and impaction of femoral stem tip in the cup of the acetabulum.

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