The Etiology and Clinical Feature of the Third, Fourth, and Sixth Cranial Nerve Palsy

ABSTRACT

40 patients who were diagnosed as the palsy of the third, fourth and sixth cranial nerve at Seoul national university hospital, were evaluated to reveal the etiology and clinical feature. The palsy of sixth cranial nerve is most common, and those of third and fourth cranial nerve followed it. Trauma was the most common cause of the palsy of the third, fourth, and sixth cranial nerve. Most of the palsy of the third cranial nerve involved both upper and lower branch, and aberrant regeneration was observed at 8 cases and its major cause was also trauma. The palsy of sixth cranial nerve was more frequently accompanied other cranial nerve palsy than those of the other two. Average recovery rate was 44.8% and, that of the sixth cranial nerve was higher than those of the other two.