three types of small cardiac lesions were described and illustrated : ( 1 ) focal type of papillary muscle fibrosis , evidently a healed infarct of the papillary muscle present in 13 % of autopsies , is a histologically characteristic lesion associated with coronary artery disease and healed myocardial infarction , ( 2 ) diffuse type of papillary muscle fibrosis , probably an aging change present in almost half of the autopsies , is associated with sclerosis of the arteries in the papillary muscle , is identifiable histologically , and apparently is not associated with any cardiac abnormality , and ( 3 ) focal cardiac myocytolysis , a unique histologic lesion , usually multifocal without predilection for any area of the heart , is associated with ischemic heard disease , death due to cancer complicated by nonbacterial thrombotic endocarditis and microthrombi in small cardiac arteries as well as with other diseases .
C0018798
cardiac abnormality
C0018787
heart