Figure 1.

Case 1. (A) Preoperative intraoral view showing buccal and lingual bony expansion at the edentulous tooth 36 region. (B) Panoramic radiograph showing a poorly defined radiolucent lesion in the left mandibular body (arrows). (C) Cone-beam computed tomography showing a mixed-density lesion with marked cortical expansion, thinning, and focal perforation. (D) Histopathology (hematoxylin and eosin, ×400) showing multinucleated giant cells within a cellular fibrovascular stroma.