PMC5214568_01
(a) Showing extraoral swelling in relation to the right side and (b) showing the extent of the intraoral ovoid swelling.
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The skin over the swelling appeared normal (Figure 1(a)). There was obliteration of the buccal vestibule, buccal cortical expansion, and slight palatal expansion (Figure 1(b)).
(a) Showing granular trabecular pattern in the IOPA of maxillary right back tooth region. (b) Showing maxillary true occlusal radiograph of same region with granular trabecular pattern, increased buccal cortical expansion, and mild palatal cortical expansion.
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The trabecular pattern showed ground-glass appearance (Figure 2(a)). There was no sign of palatal involvement (Figure 2(b)).
(a) Figure showing CBCT scan: axial section showing typical granular trabecular pattern and bicortical expansion with more than half of maxillary sinus involvement in relation to the maxillary right back tooth region. (b) Figure showing histological picture showing immature woven bone with fibrous stroma.
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More than half of the right maxillary sinus was involved (Figure 3(a)). The bone trabeculae were not connected to each other and did not display any functional orientation (Figure 3(b)).