[Initial manifestation of localized myasthenia gravis as a differential diagnosis to foramen jugulare syndrome].

The jugular foramen syndrome results in pareses of cranial nerves IX, X and XI and is usually caused by localized pathology of the skull base and/or brainstem through tumors or rheological disorders. As demonstrated in the case reported a systemic neurological illness such as myasthenia gravis should be considered if MRI, CT scan and DSA show no pathology.