Right VI palsy revealing nasopharyngeal cancer (UCNT)
a. VI paralysis is a frequent and classic pathology in the clinical consultation of ophthalmology. The main difficulty is the diagnostic process (for the etiology). b. In young adults, be aware of the possibility of a tumor with the correlation of rapid imaging. c. UCNT is frequent in Morocco, its neurological symptoms are misleading because we do not always think of examining the nasopharynx properly in the event of damage to the cranial pairs. d. Improving the prognosis for this cancer requires early diagnosis.