Fig. 2From: Do polyethylene wear particles affect the development of pseudotumor in total hip arthroplasty? A minimum 15-year follow-upThe head penetration plots of patients with pseudotumor (continuous pink lines) and without pseudotumor (dotted grey lines) are shown. Patients with pseudotumors tended to have higher head penetration. The head penetration measurements of individual THAs are connected by a continuous and dotted lineBack to article page