Presentation
Painless left submandibular swelling.
Patient Data
The MRI sequences demonstrate an ill-defined lobulated soft tissue mass of the left submandibular space arising from the submandibular gland. It elicits a low signal to the gland on T1, high signal on T2 with restricted diffusion. The postcontrast sequences show moderate and heterogeneous enhancement. There is an extracapsular extension infiltrating the adjacent submandibular fatty tissue mainly at the anterior and lateral aspect of the gland with broad contact with the mylohyoid and digastric muscles.
Cervical lymphadenopathy are noted (levels I and II).
Susceptibility artifact from dental metalwork.
Case Discussion
MRI features of a left submandibular enhancing soft tissue mass arising from the submandibular gland with cervical lymphadenopathy.
The patient underwent surgical resection of the tumor and the submandibular gland with a histopathological exam that confirms the diagnosis of an lymphoepithelial carcinoma.
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