PMC7501749_01
side photo showing a left parotid mass of 15 cm long axis with a bumpy surface and peeling off the ear lobule. The skin next to the swelling was healthy
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F1
However, the skin next to the swelling was healthy (Figure 1).
parotid MRI in axial sections showing a left parotid mass in T2 hypersignal A) and T1 hyposignal B)
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F2
No cervical lymphadenopathy was identified in this exam (Figure 2).
intraoperative view showing subcutaneous separation and tumor exposure
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F3
A simple skin suture was performed without using a flap (Figure 3, Figure 4).
aspect of excised tumoural formation. It measured 15 cm in large diameter
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F4
A simple skin suture was performed without using a flap (Figure 3, Figure 4).
A) abrupt transition from pleomorphic adenoma (yellow arrow at right) to sarcomatoid carcinoma (black arrow at left), HEx40; B) epithelial myoepithelial carcinoma formed by ducts or tubules with an outer rim of myoepithelial cells and inner, dark ductal cells with scant eosinophilic cytoplasm and round, bland nuclei (HEx400); C) spindle cells showing mild to marked nuclear atypia with frequent mitotic figures HEx 400; D) spindle cells are focally positive with AE1/AE3
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F5
Spindle cells were negative with PS100, smooth muscle actin, p63 and were focally positive with AE1/AE3 (Figure 5).
patient 7 months after the surgery. There were no swellings in the left parotid region
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F6
We didn t notice any recurrence after 7 months of surveillance (Figure 6).