Abstract
A 38-year old woman with mid-epigastric pain, diarrhea, and weight loss, underwent resection of a superior mesenteric artery aneurysm and primary repair of the artery. Pathological examination showed degenerative atherosclerotic changes, marked medial and intimal thickening, and vegetations. Microbiological studies demon-strated Streptococcus viridans as the infecting organism of this mycotic aneurysm. The patient made a good recovery and remained well after 3 years.
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