case_images: PMC7813659_01
case_images: PMC7813659_02
case_images: lateral view of the neck showing the left postauricular mass
case_images: PAMJ-37-209-g001.jpg
case_images: PMC7813659_02_PAMJ-37-209-g001.jpg
case_images: F1
case_images: Ten days after this operation, a pruritic, painless lesion of a size 2 cm x 2 cm was observed at the incision area (Figure 1).
case_images: otoscopic findings of the posterior wall of the left auditory canal showing a mass; a normal tympanic membrane was seen
case_images: PAMJ-37-209-g002.jpg
case_images: PMC7813659_02_PAMJ-37-209-g002.jpg
case_images: F2
case_images: Otoscope examination revealed an external auditory meatus protrusion, with a normal tympanic membrane (Figure 2).
case_images: MRI displaying a hypointense lesion
case_images: PAMJ-37-209-g003.jpg
case_images: PMC7813659_02_PAMJ-37-209-g003.jpg
case_images: F3
case_images: Magnetic resonance imaging (MRI) revealed a heterogeneous lesion (Figure 3).
case_images: facial nerve trunk exposed and protected
case_images: PAMJ-37-209-g004.jpg
case_images: PMC7813659_02_PAMJ-37-209-g004.jpg
case_images: F4
case_images: The superficial lobe of the parotid gland was gradually removed with caution to the facial nerve trunk (Figure 4).
case_images: removed parotid gland, lymph nodes, and adipose connective tissue of size 2 cm x 2 cm x 1.4 cm
case_images: PAMJ-37-209-g005.jpg
case_images: PMC7813659_02_PAMJ-37-209-g005.jpg
case_images: F5
case_images: The diameter of the larger lymph node being 2 cm (Figure 5).
case_images: sutured layer with a drainage tube
case_images: PAMJ-37-209-g006.jpg
case_images: PMC7813659_02_PAMJ-37-209-g006.jpg
case_images: F6
case_images: A drainage tube was inserted (Figure 6).
case_images: A,B) biopsy of the left parotid gland revealing a malignant tumour, a persistent mucoepidermoid carcinoma
case_images: PAMJ-37-209-g007.jpg
case_images: PMC7813659_02_PAMJ-37-209-g007.jpg
case_images: F7
case_images: Hematoxylin and eosin (H&E) staining indicated a D-PAS positive (Figure 7).