Soap bubble appearance at the lower end of the radius, the treatment of choice is -: (A) Local excision, (B) Excision and bone grafting, (C) Amputation, (D) Radiotherapy
Answer is B. Treatment of choice for different sites is as follows.


The lower end of ulna, the upper end of fibula →  Excision of a tumour
Lower end radius →  Excision with reconstruction by ipsilateral fibula.
Around knee (lower end of the femur or upper end of the tibia) →  Excision with prosthetic replacement or arthrodesis.


Small tumours at any site are usually treated by curettage and bone grafting or cementing.