case_images: PMC7518476_01
case_images: The appearance of the lesion in the upper lip
case_images: NJMS-11-110-g001.jpg
case_images: PMC7518476_01_NJMS-11-110-g001.jpg
case_images: F1
case_images: 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].
case_images: Computed tomography demonstrating a 30 mm x 28 mm enhancing mass in the upper lip region with erosion of the maxillary bone
case_images: NJMS-11-110-g002.jpg
case_images: PMC7518476_01_NJMS-11-110-g002.jpg
case_images: F2
case_images: Erosion of the maxillary bone posterior to this lesion was noted [Figure 2].
case_images: Microphotograph showing characteristic ductal tubules which are lined by cuboidal cells and contain eosinophilic material
case_images: NJMS-11-110-g003.jpg
case_images: PMC7518476_01_NJMS-11-110-g003.jpg
case_images: F3
case_images: No cytologic atypia or mitotic figures were observed [Figure 3].