FLI-1

  • Tech Only CPT
  • Tech Pro CPT
  • PowerPath Code
  • Schedule Monday - Friday
  • Turn Around Time Within 1-2 business days of receipt
  • Disease State Spindle Cell Tumors / Sarcoma Subtyping
  • Methodology IHC

Specimen Requirements

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

Diagnostic Utility

Identifies: The FLI-1 gene product is a sensitive marker of endothelial cells and vascular neoplasms; FLI-1 is also overexpressed in PNET/ES as a consequence of the t(11;22)(q24;q12) chromosomal translocation characteristic of this tumor.