From: Hemiarthroplasties in young patients with osteonecrosis or a tumour of the proximal femur; an observational cohort study
Tumour
Metastasis
N(cases)
Yes
No
Malignant
Osteosarcoma
13
4
9
Chondrosarcoma
8
2
6
Ewing sarcoma
3
1
Benign
Giant cell tumour
-
Chondroblastoma
Breast cancer
Total
29
10
19