ANEURYSM of the posterior communicating artery appears to be associated with a readily recognizable clinical syndrome. This has been established by a number of investigations. There still remain, however, problems regarding diagnosis which require clarification. These include the separation of aneurysms of the posterior communicating artery from those of the internal carotid artery, and better refinement of the clinical features associated with the syndrome. Reference has been made in a previous contribution1 to the clinical features of posterior communicating artery aneurysm. To this are added the results of further studies.
REPORT OF CASES
Case 1.
—History.
—D. Y., a 58-year-old Negro housewife, was admitted to the neurological service of the Jefferson Medical College Hospital on Sept. 10, 1947, with a complaint of inability to open the left eye. She had been well until 10 months before admission, when one morning she arose and, on going to the bathroom, had