Fig. 4
From: The 10-year outcomes of the ASR XL Acetabular System: a single-center experience from China
A typical revised case of the ASR XL MoM prostheses with cystic changes in periprosthetic bone. X-ray (a), cross section (b), sagittal section (c), and coronal section (d) of CT scan. Red arrow indicates bone cyst formation. X-ray images of 1 week (e) and 1 year (f) after revision surgery. HE staining of the periprosthetic soft tissue exhibited dense fibrous tissue with granuloma formation (g). Scale bar = 200 μm