X-ray shows soap bubble appearance at lower end of radius, treatment of choice is –
Local excision
Excision & Bone grafting
Amputation
RT
Soap bubble appearance at the lower end of radius suggests the diagnosis of giant cell tumor.
Two commonly used procedures for GCT of the distal end of the radius are :-


are ended curratage (curratage + cryotherapy + bone graft / cementing)
Wide local excision with the replacement of the excised fragment by bone graft.