Surgery About giant cell tumor, all are true except: A Commonly presents in the 20-40 year age group B Matrix consists of proliferating mononuclear cells C Osteoclast giant cells constitute the proliferative component of the tumor D It is a benign tumor which may have lung metastasis 💡 Explanation About giant cell tumor, all are true except: ✓ Correct Answer: C. Osteoclast giant cells constitute the proliferative component of the tumor