PMC6323525_01
(a) Three-dimensional reconstruction of patient's pathologic fracture. Note the minimally displaced right mandibular angle fracture and right coronoid fracture. (b) Axial soft tissue of the mandible, displaying the mass of the right retromolar trigone.
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fig1
A CT revealed right mandibular angle fracture and coronoid fracture (Figure 1).
Pathologic specimen of the retromolar trigone biopsy. 2A: 100x magnification of hematoxylin and eosin stain (low power). Back to back gland formation with undermining of squamous mucosa. 2B: 200x magnification hematoxylin and eosin stain (high power). Infiltrating malignant glands containing necrotic debris.
CRIOT2018-7860384.002.jpg
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fig2
This mass was biopsied in the clinic and came back as likely metastatic adenocarcinoma (Figure 2).
PET/CT of the patient's mandibular mass. This image shows an avidly hypermetabolic mass of the right mandibular angle. (a) Coronal cuts; (b) axial cuts.
CRIOT2018-7860384.003.jpg
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fig3
Hypermetabolic lesions involving the regional lymph nodes, lungs, spine, and right mandible, as shown in Figure 3, were found on PET/CT.