Surgical Pathology Criteria

Low Grade Fibromyxoid Sarcoma

Supplemental Studies

Immunohistology

Vimentin positive
Smooth muscle actin occasional focal weak positive
Desmin occasional focal weak positive
Keratin occasional focal weak positive
S100 occasional focal weak positive, may be positive in cells surrounding rosettes
CD34 occasional focal weak positive
EMA occasional focal weak positive

Genetic analysis

 

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