Table 2 Immunohistochemical results
Antibody | Case 1 | Case 2 | Case 3 | |||
|---|---|---|---|---|---|---|
H | C | H | C | H | C | |
CD68 | + patchy | − | + | − | + | + patchy |
Factor XIIIa | + | − | + | − | − | − |
S-100 protein | − | + | − | + | − | + |
Desmin | + focal, weak | − | + focal | − | + focal, weak | − |
Muscle-specific actin | + focal | − | − | − | + focal | − |
Vimentin | + | + | + | + | + | + |
EMA | − | − | − | − | − | − |
Cytokeratin (AE1/AE3) | − | − | − | − | − | − |
Ki-67 labeling index (%) | 8.2 | <1 | 5.7 | <1 | 6.4 | <1 |
