PMC7518476_01
The appearance of the lesion in the upper lip
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F1
Bimanual palpation revealed a nontender, mobile 4 cm x 3 cm submucosal mass superior to the vermillion border of the upper lip and exerting pressure on the patient's cheek and the anterior wall of the right maxillary sinus [Figure 1].
Computed tomography demonstrating a 30 mm x 28 mm enhancing mass in the upper lip region with erosion of the maxillary bone
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F2
Erosion of the maxillary bone posterior to this lesion was noted [Figure 2].
Microphotograph showing characteristic ductal tubules which are lined by cuboidal cells and contain eosinophilic material
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F3
No cytologic atypia or mitotic figures were observed [Figure 3].