Recurrent massive otorrhagia caused by a petrous carotid aneurysm.

Aneurysms of the petrous portion of the internal carotid artery are quite rare lesions. The case of a 60-year-old man who showed recurrent spontaneous otorrhagia caused by a petrous carotid aneurysm of considerable size is reported here. Mycotic origin of the lesion is presumed. Common carotid ligation was effective in resolving bleeding and did not cause any permanent neurological deficit. Other surgical procedures are acceptable.