TABLE III.

Periprosthetic Tissue Reactions in Patients with Uncemented Metal-Backed Cups and Cemented Titanium Stems

Case No.	Mononuclear Histiocytes	Chronic Inflammatory Cells	Multinucleated Giant Cells	Neutrophils	Metal Particles/Histiocytes	Necrosis
Uncemented
1	2+	3+	0	2+	1+	0
2	3+	2+	2+	1+	2+	2+
3	3+	2+	2+	2+	1+	2+
4	0	0	0	0	0	3+
5	3+	3+	0	2+	1+	2+
6	3+	2+	0	1+	1+	2+
7	3+	2+	1+	2+	1+	3+
8	3+	2+	2+	2+	1+	2+
9	3+	2+	1+	1+	3+	2+
10	3+	2+	2+	2+	2+	0
11	3+	2+	0	2+	0	3+
12	3+	2+	0	1+	1+	1+
13	3+	2+	2+	2+	1+	2+
14	3+	1+	1+	1+	3+	2+
15	3+	3+	2+	2+	1+	1+
Cemented
16	3+	2+	1+	1+	2+	2+
17	0	0	0	0	0	3+
18	0	0	0	0	0	3+
19	0	0	0	0	0	3+
20	3+	2+	1+	1+	2+	1+
21	3+	2+	1+	1+	2+	2+
22	3+	2+	1+	2+	2+	3+
23	3+	2+	1+	2+	2+	2+
24	2+	1+	0	1+	1+	2+
25	3+	2+	0	1+	2+	3+
26	3+	2+	0	1+	2+	1+
27	3+	2+	1+	1+	2+	2+
28	3+	2+	1+	1+	1+	2+
29	2+	1+	0	1+	1+	3+
30	3+	2+	1+	1+	2+	3+

Uncemented cups: tissue samples were taken from the joint capsule and/or the acetabular membrane; cemented stems: tissue samples were taken from the proximal femur, distal femur, or the femur channel.