Surgical Pathology Criteria

Synovial Sarcoma

Supplemental Studies

Immunohistology

TLE1 Reactivity
Tumor Type % pos
Synovial sarcoma 85-97
Endometrial stromal sarcoma 66
Schwannoma 31-82
Hemangiopericytoma 40
Epithelioid sarcoma 33
SFT 20-27
Cellular schwannoma 17
Carcinosarcoma 14
Clear cell sarcoma 14
MPNST 5-30
PNET / Ewing sarcoma 0-8
GIST 0-6
Strong nuclear staining may be more specific (Kussel)

 

Genetic study

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