From: Clinical outcome of recurrent giant cell tumor of the extremity in the era before molecular target therapy: the Japanese Musculoskeletal Oncology Group study
No. of cases
Percentage
Site A
Humerus/proximal
6
5.8
Radius/distal
12
11.7
Femur/proximal
9
8.7
Femur/distal
28
27.2
Tibia/proximal
37
35.9
Tibia/distal
3
2.9
Site B
Ulna/distal
Fibula/proximal
1
Hand
2
1.9
Foot
Patella