ISOLATED OCULOMOTOR NERVE PALSY DUE TO NEOPLASM IN INFANCY

A nine-month-old infant presenting with an isolated oculomotor nerve d ysfunction was found to have a poorly differentiated neoplasm of the m esencephalon, an unusual presentation of an unusual tumor. Acquired, i solated, third cranial nerve palsy in a child poses a challenging diff erential diagnosis. Although tumor is a rare cause of this finding, fu ll evaluation for malignancy is warranted in such a case.