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Pseudotumor with dominant B-lymphocyte infiltration after metal-on-metal total hip arthroplasty with a modular cup
Masahiro Hasegawa1, Kakunoshin Yoshida, Hiroki Wakabayashi
1Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Mie, Japan.
The Journal of Arthroplasty
|July 5, 2011
Abstract:
We report a case of a patient who underwent metal-on-metal total hip arthroplasty with a modular cup and developed a pseudotumor 5 years postoperatively. Immunohistochemistry showed dominant B-lymphocyte infiltration in the periprosthetic tissue.
