This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
A 28 years old lady presented with wrist pain. X-ray wrist is showing lytic eccentric lesion in lower end of radius with soap bubble appearance. What is the next plan of management - 
Select and explain. 
A. Bone curettage and bone grafting, B. Extended curettage with phenol, C. Biopsy of the lesion, D. Extended curettage with phenol and bone grafting
C: Biopsy of the lesion
Answer: C: Biopsy of the lesion 
Explanation: Ans. is'c' 1.e., Biopsy of the lesion28 years female with lytic eccentric lesion in lower end of radius and soap bubble appearance suggest the diagnosis of GCT.Next plan of management would be biopsy of lesion to confirm the diagnosis.