PMC8191561_01
Bilobed oral component of the tumor arising from the upper alveolus eroding the hard palate and extending into the maxillary sinus
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F1
On examination, there was a smooth mucosa covered dumbbell-shaped swelling occupying the oral cavity, eroding the posterior part of the upper alveolus and the adjacent hard palate on the right side extending in to the maxillary sinus [Figure 1].
Magnetic resonance imaging of the paranasal sinuses: Laterally, the mass was extending in to the buccal space and medially in to the oral cavity. Superiorly, the mass was eroding the floor of the maxillary sinus, completely occupying the antral cavity, occluding the osteomeatal complex. Anteriorly, the mass was eroding the maxilla up to the first molar tooth
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F2
Magnetic resonance imaging revealed a large, bulky, expansile soft-tissue mass lesion measuring 8.6 cm x 6.8 cm x 4.8 cm, causing smooth erosion and scalloping of the surrounding bone [Figure 2].
Da Vinci Xi surgical robot docked from the head end of the patient. The central arm with a 30  upward endoscope, monopolar spatula on the right arm and bipolar Maryland forceps mounted on the left arm
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F3
The Da Vinci Xi robot (Intuitive Surgicals, Sunnyvale, CA) was docked from the head end of the patient and robotic arms were mounted with monopolar spatula on the right, bipolar Maryland forceps on the left and 30  upward endoscope [Figure 3].
Palatal defect which healed spontaneously
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F4
The defect healed spontaneously in a few weeks [Figure 4].