PMC5902069_01
Imaging of the lesion in the internal surface of the mandible on the left in cranial MRI T1 with gadolinium (black arrow).
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fig1
Biopsy of the lesion showed squamous cell carcinoma of the internal surface of the posterior third of the body of the mandible, clinically staged as T3N2bM0 after cranial and cervical MRI (Figures 1 and 2) and thoracic CT.
Imaging of the lesion in the internal surface of the mandible on the left in cranial MRI T2 (white arrow).
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fig2
Biopsy of the lesion showed squamous cell carcinoma of the internal surface of the posterior third of the body of the mandible, clinically staged as T3N2bM0 after cranial and cervical MRI (Figures 1 and 2) and thoracic CT.
Image captured from left modified radical neck dissection, showing a duplicated spinal accessory nerve. (a) First branch of CN XI. (b) Second branch of CN XI. (c) SCM muscle. and (d) Mandible.
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fig3
II to V preserving CN XI. Intraoperatively, a duplication of the spinal accessory nerve was observed, 2 cm inferiorly to the mandible (Figure 3).