Fig. 13
From: Radiolucent lesions of the mandible: a pattern-based approach to diagnosis
Osteoblastoma. a OPT. b Axial CT with bone window. c Sagittal oblique contrast-enhanced fat-saturated T1-weighted image. Ill-defined radiolucent lesion (arrows in a and b) with coarse sclerotic borders and calcifications (dashed arrow). Major contrast enhancement (arrow in c). d Histology (haematoxylin-eosin stain, original magnification 64×). Osteoid and woven bone (asterisk) with plump osteoblast-like cells (arrows), interposed fibroblasts and some inflammatory cells