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| Result | IHC markers |
|---|---|
| Positive | ALK, SMA, CD30, CD68, and Desmin |
| Negative | Pan CK, EMA, CD34, CD117, S100, CD99, BCL2 |
| MyoD1, Myogenin |
ALK, anaplastic lymphoma kinase; BCL, B-cell lymphoma; CD, cluster of differentiation; CK, cytokeratin; EMA, epithelial membrane antigen; MyoD1, myoblast determination protein 1; SMA, smooth muscle actin; S100, solubility in 100%ammonium sulphate.
