Surgical Pathology Criteria

Inflammatory Myofibroblastic Tumor

Supplemental Studies

Immunohistology

Smooth muscle actin >90% positive
Vimentin >90% positive
Factor XIIIa positive, extensive
Desmin 10-70%
Keratin 30-77%
ALK 35-60%
CD68 variable
CD34 variable
p53 8%
bcl2 37%
MDM2 100%
HHV8 negative

 

In situ hybridization

Cytogenetics

Laboratory Studies

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