case_images: PMC3303510_01
case_images: Swelling of the right maxilla causing gross asymmetry of face
case_images: JOMFP-16-137-g001.jpg
case_images: PMC3303510_01_JOMFP-16-137-g001.jpg
case_images: F1
case_images: Extra orally, a solitary diffuse swelling was noticed unilaterally on the right middle one-third of the face causing gross asymmetry of the face [Figure 1].
case_images: Panoromic radiograph showing unilateral osteolytic lesion destroying tuberosity and posteroinferior wall of maxillary sinus on the right side
case_images: JOMFP-16-137-g002.jpg
case_images: PMC3303510_01_JOMFP-16-137-g002.jpg
case_images: F2
case_images: The borders of the lesion were ill-defined and appeared invasive [Figure 2].
case_images: CT scan (coronal section) revealing contrast enhanced lesion in right maxilla involving, superior, medial, lateral, and inferior borders of maxilla
case_images: JOMFP-16-137-g003.jpg
case_images: PMC3303510_01_JOMFP-16-137-g003.jpg
case_images: F3
case_images: However other sinuses, pterygoid plates and pterygoid muscles appeared normal [Figure 3].
case_images: Incisional biopsy through intraoral approach
case_images: JOMFP-16-137-g004.jpg
case_images: PMC3303510_01_JOMFP-16-137-g004.jpg
case_images: F4
case_images: Incisional biopsy was performed intraorally [Figure 4].
case_images: Showing predominantly epidermoid cell component (H and E staining, higher magnification, x40 view)
case_images: JOMFP-16-137-g005.jpg
case_images: PMC3303510_01_JOMFP-16-137-g005.jpg
case_images: F5
case_images: Upon examination in higher magnification, a mixture of morphologically altered epidermoid cells, intermediate basaloid-like cells and mucous cells are observed of which epidermoid component is predominant [Figure 5].
case_images: Demonstrating extensive degree of cellular atypia (H and E staining, x40 view)
case_images: JOMFP-16-137-g006.jpg
case_images: PMC3303510_01_JOMFP-16-137-g006.jpg
case_images: F6
case_images: Adjacent skeletal muscle and tiny bony spicule was infiltrated by tumor cells [Figure 6].