Osteoblastoma and Osteoid Osteoma of the Mandible: Review of the Literature and Report of Two Cases

Figure 6

Histological features of case #1 (a and b). (a) Decalcified bone with evident reversal lines with prominent osteoblastic activity. Note the vascular connective tissue stroma with dilated blood vessels and hemorrhage (H&E stain, ×40). (b) A higher magnification of panel (a) showing the bone with prominent and large osteoblasts with abundant cytoplasm and epithelioid morphology (H&E stain, ×100). (c and d) Histological features of case #2. (c) Decalcified bone with reversal lines with prominent osteoblastic activity. Note the vascular connective tissue stroma with dilated blood vessels and small foci of hemorrhage (H&E stain, ×40). (d) A higher magnification of panel (c) showing the bone with prominent and large osteoblasts with abundant cytoplasm and vascular connective tissue stroma with dilated blood vessels and scattered erythrocytes (H&E stain, ×100).

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