Fig. 3

Histological features of Chondroblastoma. (A) Tumor was composed of chondroblasts which were uniform, round to polygonal with well-defined cytoplasmic borders, clear to slightly eosinophilic cytoplasm, and a round to ovoid nucleus (H&E × 100). (B) The tumor cells often had longitudinal grooves and one or more small or inconspicuous nucleoli (H&E × 200). (C) The tumor cells often had longitudinal grooves (black arrow) and one or more small or inconspicuous nucleoli (H&E × 400)