Synonyms
Wilms' tumor protein
Full Description
Identifies the Wilms tumor 1 (WT1) protein, a marker expressed in ovarian serous carcinomas and mesotheliomas. It is useful in panels to differentiate mesothelioma from adenocarcinoma and to aid in the subclassification of ovarian carcinomas.
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