case_images: PMC4451657_01
case_images: Orthopantomogram showing mixed radiolucent and radio-opaque lesion in the angle of the mandible
case_images: JOMFP-19-110b-g001.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g001.jpg
case_images: F1
case_images: Orthopantomogram showed mixed radiolucent and radiopaque lesion in the angle of the mandible [Figure 1].
case_images: CT image showing bony outgrowth at the angle of the mandible, with a small irregular area of sclerosis. CT = Computed tomography
case_images: JOMFP-19-110b-g002.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g002.jpg
case_images: F2
case_images: There were no cystic or destructive changes identified and no adjacent extraosseous soft tissue swelling or fluid collection seen [Figure 2].
case_images: Three-dimensional CT showing, irregular bony outgrowth that is continuous with the mandibular bone
case_images: JOMFP-19-110b-g003.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g003.jpg
case_images: F3
case_images: The three-dimensional CT showed margin of the lesion to be continuous with the margins of the mandible [Figure 3].
case_images: Intraoperative view of the tumor, at the angle of the mandible
case_images: JOMFP-19-110b-g004.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g004.jpg
case_images: F4
case_images: Under general anesthesia, through extraoral approach, the lesion at the angle of mandible was exposed [Figure 4].
case_images: Photomicrograph showing a cancellous bone with a cartilaginous cap (H&E stain, x40). H&E = Hematoxylin and Eosin
case_images: JOMFP-19-110b-g005.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g005.jpg
case_images: F5
case_images: Histology revealed features of OC: Cancellous bone proliferation and a cartilaginous cap [Figure 5].
case_images: Photomicrograph showing a hyaline cartilage with cellular connective tissue stroma (H&E stain, x100)
case_images: JOMFP-19-110b-g006.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g006.jpg
case_images: F6
case_images: There was a hyaline cartilage with cellular connective tissue stroma [Figure 6].
case_images: Photomicrograph showing a marrow spaces filled with chondroid tissue and ossifying trabeculae (H&E stain, x100)
case_images: JOMFP-19-110b-g007.jpg
case_images: PMC4451657_01_JOMFP-19-110b-g007.jpg
case_images: F7
case_images: Marrow spaces were filled with chondroid tissue, producing trabecular ossification [Figure 7].