Cryptogenic mycotic aneurysm of the right coronary artery

A 61-year-old man with chest pain and fever was referred to our hospital. T he physical examination and electrocardiogam were unrevealing. Laboratory t ests showed leukocytosis, and echocardiography showed mild pericardial effu sion. The patient died soon after hospital admission, Necropsy revealed rup tured mycotic aneurysm of the right coronary artery in the absence of infec tive endocarditis. Thus, mycotic aneurysm of the coronary artery may occur without infective endocarditis and may be clinically manifested as pericard itis and leukocytosis.