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What is A bone tumour arising from metaphysis - and explain in detail?
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