Proliferative Myositis
Supplemental Studies
Immunohistology
- Ganglion-like cells
- Factor XIIIa positive
- Actin, CD68 negative to focal/weak
- Desmin, keratin, S100, neuron specific enolase negative
- Spindled/stellate cells
- Actin positive
- CD68 variable
- S100, desmin negative

