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