CASE HISTORY / CLINIC:
Patient who had undergone primary radiochemotherapy for squamous cell carcinoma in the right oropharynx.


FINDINGS:
Demonstration of a contrast-enhancing mass lesion on the right side of the mouth floor. A dissection had been done on the right side.


DIAGNOSIS:
Relapse of squamous cell carcinoma.


DIFFERENTIAL DIAGNOSIS:
Primary squamous cell carcinoma.