The following report of a case of traumatic aneurysm of the popliteal artery occurring in a syphilitic subject can be used as the text for a few remarks on the general subject of aneurysms, but more particularly on those which develop in the popliteal space.
John Taylor, a strong, well-developed negro, 29 years of age, had enjoyed good health until six years ago, at which time he contracted syphilis. Primary and secondary manifestations left no doubt as to the nature of his malady. He was admitted to my service in the Cincinnati Hospital, Feb. 24, 1899. Four weeks previously he had slipped and in falling had struck his ankle and the outer surface of the left knee against the curbstone. He is not certain as to whether a swelling was immediately apparent, but a dull, throbbing pain was present almost from the time of injury. This pain was always worse