Figure 5
From: Chondroblastoma associated with aneurysmal cyst of the navicular bone: a case report

Histological appearance of tumor. (A) The chondroblasts had a clear cell membrane with pink cytoplasm and oval nucleus; (B) [ink cartilage-like matrix in the tumor; (C) Osteoclast-like giant cells were scattered throughout the tumor; (D) Cystic lesions concurrent with the aneurysmal bone cyst; (E) some of the chondroblasts in the cytoplasm and nucleus stained positively for S-100.