PMC3686074_01
PMC3686074_02
Intraoral swelling with bicortical expansion extending from 44 to 48 region.
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fig1
Intraorally, a swelling was seen having bicortical expansion extending from 44 to 48 region (Figure 1).
Lateral oblique projection of the body of the mandible showing a multilocular radiolucency, extending from first premolar to the angle of the mandible.
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fig2
Periapical, occlusal, and lateral oblique projections of the mandible revealed a multilocular radiolucency, extending from the first premolar to the angle of the mandible (Figure 2); there is bicortical expansion with perforation of both the buccal and lingual cortex.
Axial view CT scan showing bicortical expansion with perforation of the buccal and lingual cortices on the right side.
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fig3
Computer Tomography scans also revealed bicortical expansion and cortical perforation (Figures 3 and 4).
3D reformatted CT scan showing perforation of the mandible from 44 to angle region on right side.
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fig4
Computer Tomography scans also revealed bicortical expansion and cortical perforation (Figures 3 and 4).
PMC3686074_03
H & E section (10X) showing cystic spaces filled with the necrotic debris and lined by papillary (Yellow arrow) keratin lined infolding of odontogenic epithelium resembling ameloblastoma with connective tissue cores.
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fig5
An incisional biopsy of the lesion was done, and, microscopically, the lesion consisted of cystic spaces filled with the necrotic debris and lined by papillary keratin lined infolding of odontogenic epithelium resembling ameloblastoma with connective tissue cores (Figures 5 and 6).
H & E section (10X) showing cystic spaces lined by papillary keratin lined infolding (Yellow arrow) of odontogenic epithelium.
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fig6
An incisional biopsy of the lesion was done, and, microscopically, the lesion consisted of cystic spaces filled with the necrotic debris and lined by papillary keratin lined infolding of odontogenic epithelium resembling ameloblastoma with connective tissue cores (Figures 5 and 6).
Cystic spaces showing squamous metaplasia (Yellow arrow) and presence of keratin squames (H & E 10X).
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fig7
The cystic spaces also showed squamous metaplasia and presence of keratin squames (Figure 7).
Odontogenic epithelium consisting of loosely arranged polygonal/angular cells resembling stellate reticulum (Yellow arrow) of the enamel organ and basal layer of tall columnar ameloblast-like cells (Blue arrow) showing palisading and reversal of polarity (H & E 40X).
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fig8
The odontogenic epithelium consisted of loosely arranged polygonal or angular cells resembling stellate reticulum of the enamel organ (Figure 8) and basal layer of tall columnar ameloblast-like cells showing palisading and reversal of polarity (Figures 8 and 9).
Loosely arranged polygonal/angular cells resembling stellate reticulum (Yellow arrow) of the enamel organ and basal layer of tall columnar ameloblast-like cells (Blue arrow) showing palisading and reversal of polarity (H & E 40X).
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fig9
The odontogenic epithelium consisted of loosely arranged polygonal or angular cells resembling stellate reticulum of the enamel organ (Figure 8) and basal layer of tall columnar ameloblast-like cells showing palisading and reversal of polarity (Figures 8 and 9).