My purpose in this report is to discuss briefly the clinical manifestations of aneurysms of the dura mater. Two such cases were observed; in one a diagnosis was possible during life. In case 1 there was clinically no idea that the lesion of the brain could have been brought about by an aneurysm.
REPORT OF CASES
Case 1.—History.
—A hospital clerk, aged 27, was admitted to the ear, nose and throat department of Saint Stephen's Hospital on March 8, 1927, complaining of a "running nose" and fever. Later, severe headaches followed. On March 17, the patient was operated on for a deviated septum. On March 23, he became unconscious and was transferred to the neurologic department.
Examination.
—At the time of transfer a right-sided paresis of the musculature of the lip associated with continuous twitchings was noted. The right arm was paretic. Anisocoria, sluggish reaction of the pupils, well pronounced