TLE-1

Identifies a transducing-like enhancer (TLE) protein, expressed in immature epithelial cells undergoing differentiation. This antibody is a highly specific marker for synovial sarcoma and helps distinguish it from other sarcomas, including histologically similar tumors like malignant peripheral nerve sheath tumor.

Synonyms
Transducin-Like Enhancer Protein 1
Turnaround Time
24 Hrs
Methodology
IHC
Specimen Requirements

Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred.

Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked.

Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

CPT Codes
88342x1 or 88341x1