A bone tumour arising from metaphysis -
Metaphyseal lesions

Osteogenic sarcoma                 
Unicameral (simple) bone cyst                                
Aneurysmal bone cyst              
Fibrous cortical defect             

Diaphyseal lesions

Ewing sarcoma
Lymphomas
Fibrous dysplasia
Adamantinoma
Histiocytosis
Osteoid osteoma
Osteogenic sarcoma
Ewing sarcoma
Osteoclastoma
Osteiod osteoma