IHC

TFE3

Identifies a helix-loop-helix transcription factor that is a sensitive and specific marker for Xp11 translocation renal cell carcinoma. It is also expressed in alveolar soft part sarcoma, which involves a rearrangement at 17q25 and Xp11.2.

Synonyms

Transcription factor E3

Full Description

Identifies a helix-loop-helix transcription factor that is a sensitive and specific marker for Xp11 translocation renal cell carcinoma. It is also expressed in alveolar soft part sarcoma, which involves a rearrangement at 17q25 and Xp11.2.

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.

Turnaround Time

24 Hrs

CPT Codes

88342x1 or 88341x1