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Immunohistochemical Analyses of Glomus Tumora.
| Antigen | Positive Staining (Fraction of Cases) | Frequency (%) |
|---|---|---|
| α-Smooth Muscle Actin (αSMA) | 68/69 | 99% |
| Muscle Specific Actin (MSA) | 18/19 | 95% |
| Vimentin | 12/12 | 100% |
| Calponin | 4/5 | 80% |
| CD34 | 7/22 | 32% |
| S100 | 1/44 | 2% |
| Keratins | 0/44 | 0% |
| Desmin | 0/30 | 0% |
| CD31 | 0/22 | 0% |
Results of immunohistochemical stains in specimens with a pathological diagnosis of glomus tumor, expressed as a fraction and frequency of positive staining.
