case_images: PMC3335480_01
case_images: Extraoral examination revealed diffuse enlargement of lower right side of face over the angle and body of mandible.
case_images: CRIM.DENTISTRY2011-536086.001.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.001.jpg
case_images: fig1
case_images: She complained of a painful swelling in the right side of mouth (Figure 1).
case_images: Ulceroproliferative growth seen on lower right posterior third molar area.
case_images: CRIM.DENTISTRY2011-536086.002.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.002.jpg
case_images: fig2
case_images: The lesion was soft to firm and measured about 4 cm x 3 cm (Figure 2).
case_images: Lateral oblique:osteolytic lesion in nos. 46, 47, 48 regions. S/o destructive bony lesion.
case_images: CRIM.DENTISTRY2011-536086.003.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.003.jpg
case_images: fig3
case_images:  Radiological examinations with lateral oblique radiograph (Figure 3) showed osteolytic areas with ill-defined borders located in the right mandibular angle and ramus.
case_images: Photomicrograph showing high cellularity, intense proliferation of spindle-shaped cells and variable deposition of collagen (10x view).
case_images: CRIM.DENTISTRY2011-536086.004.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.004.jpg
case_images: fig4
case_images: An incisional biopsy was performed, and on microscopic examination fascicles of spindle-shaped cell with areas of collagen fibers were observed (Figure 4).
case_images: Spindle shaped cell showing nuclear pleomorphism (40x).
case_images: CRIM.DENTISTRY2011-536086.005.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.005.jpg
case_images: fig5
case_images: The cells exhibited hyperchromatic nuclei and increased nuclear cytoplasmic ratio (Figure 5).
case_images: Neoplastic cells displaying intense immunoreactivity for vimentin (40x).
case_images: CRIM.DENTISTRY2011-536086.006.jpg
case_images: PMC3335480_01_CRIM.DENTISTRY2011-536086.006.jpg
case_images: fig6
case_images: Further, immunohistochemistry analysis showed a positive reaction for vimentin (Figure 6), but not for S-100 protein, cytokeratin cocktail, HMB-45, Desmin, smooth muscle actin, and epithelial membrane antigen (EMA).