Surgical Pathology Criteria

Angiomyofibroblastoma

Supplemental Studies

Immunohistology

Desmin Most cases positive
Smooth muscle actin Occasional focal
Muscle specific actin Occasional, focal
CD34 Variable, about 50%
Factor XIIIa Small spindle cells, some cases
Vimentin Positive
Estrogen receptor Positive most cases
Progesterone receptor Positive most cases
S100 Negative
Keratin Negative
CD57 Negative

 

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