The differential diagnosis of lesion, histologically resembling giant cell tumour in the small bones of the hands or feet, includes all of the following except:: (A) Aneursymal bone cyst, (B) Fibrosarcoma, (C) Osteosarcoma, (D) Hyperparathyroidism
Answer is B. Ans. is 'b' i.e. Fibrosarcoma Histological differential diagnosis of Giant cell tumorGiant cell reparative granuloma (a benign reactive condition)Brown tumor of hyperparathyroidism Non-ossifying fibroma Benign fibrous histiocytoma Aneurysmal bone cyst Osteosarcoma with prominent giant cells.Metastatic ca with giant cells.