This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopedics Oncology, Subject name: Orthopaedics
A 30-year-old male presented with hip pain for last 6 months. Hip X-ray is as shown below. What is the likely diagnosis? 
Select and explain. 
A. Giant cell tumor, B. Simple Bone Cyst, C. Adamantinoma, D. Ewing's sarcoma
A: Giant cell tumor
Answer: A: Giant cell tumor 
Explanation: Radiographic findings often are diagnostic. The characteristic x ray findings of GCT are: Eccentric Expansile Lobulated Lytic Metaphyseal NO matrix calcification of periosteal new bone formation