Research Article
Immunohistochemical Analysis of CD99 and PAX8 in a Series of 15 Molecularly Confirmed Cases of Ewing Sarcoma
Table 4
Immunohistochemistry and FISH results.
| Cases | Immunohistochemistry | FISH. EWSR1 ((%) of cells with rearrangement) | CD99 | PAX8 |
| 1 | Strongly positive | Mild | 92 | 2 | Strongly positive | Negative | 85 | 3 | Strongly positive | Moderate | 60 | 4 | Strongly positive | Mild | 94 | 5 | Strongly positive | Negative | 87 | 6 | Strongly positive | Moderate | 75 | 7 | Strongly positive | Moderate | 92 | 8 | Strongly positive | Moderate | 80 | 9 | Strongly positive | Mild | 95 | 10 | Strongly positive | Mild | 65 | 11 | Strongly positive | Mild | 41 | 12 | Strongly positive | Mild | 23 | 13 | Strongly positive | Mild | 80 | 14 | Strongly positive | Mild | 62 | 15 | Strongly positive | Negative | 26 |
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