PMC5824502_01
Diffuse swelling causing obliteration of labial vestibule with missing permanent mandibular right central incisor
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F1
No intraoral draining sinus was noted [Figure 1].
Panoramic radiograph showing impacted permanent mandibular right central incisor in a well-defined radiolucency, expansion and thinning of the inferior border of the mandible, displacement and resorption of the anterior teeth
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F2
Thinning and expansion of the inferior mandibular cortex was seen [Figure 2].
Cone-beam computerized tomography reveals buccolingual expansion, thinning and erosion of buccal cortical plate
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F3
No radiographically detectable calcifications were seen in the lesion [Figure 3].
Photomicrograph illustrates a highly cellular tumor mass with multinodular proliferation of spindle, cuboidal, columnar and stellate reticulum-like cells forming nests of rosette-like and duct-like structures (H and E stain, x10)
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F4
Interspersed between the epithelial cells was amorphous eosinophilic material [Figure 4].
Gross appearance revealing a tan colored, roughly spherical-shaped tumor mass with embedded root of mandibular right central incisor
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F5
Cut surface revealed a cystic space with the permanent mandibular right central incisor embedded in it [Figure 5].