| PCR results / morphological changes |
n |
% |
| parvovirus B19 / herpes simplex virus type 6 (PCR) |
2/1 (of 18) |
16.7% |
| endocardium sclerosis / thickening |
8 |
42.1% |
| lymphohistiocytic infiltration in endocardium |
2 |
10.5% |
| subendocardial / interstitial lipomatosis |
12 |
63.2% |
| interstitial lymphohistiocytic infiltration (>14 and 7-10) |
11/3 |
73.7% |
| necrosis / myolysis / apoptosis of cardiomyocytes |
6 |
31.6% |
| immune cytolysis (emperipolesis, peripolesis) |
2 |
10.5% |
| mitosis in cardiomyocytes |
1 |
5.3% |
| disarray of cardiomyocytes |
2 |
10.5% |
| dystrophy / hypertrophy of cardiomyocytes |
14/7 |
73.7/36.8% |
| productive vasculitis / arteriosclerosis / angiopathy |
7/7/1 |
36.8/36.8/5.3% |
| interstitial edema / swelling |
12 |
63.2% |
| interstitial sclerosis |
14 |
73.7% |
| fat (up to 50%) + fibrosis (up to 25%) + cell reorganization |
1 |
5.3% |
| PAS-positive substance in cardiomyocytes |
1 |
5.3% |
| no changes |
0 |
0 |
| Total |
19 |
100% |
