We are proud to announce that PhenoPath is now a Quest Diagnostics Company.
IHC
Methodology: IHC
Clinical Significance:
Abnormal nuclear localization of beta catenin generally indicates the presence of a mutation in WNT/APC pathway. Such mutations are characteristic of abdominal fibromatoses. High levels of nuclear beta catenin expression can also be seen in endometrial stromal tumors, synovial sarcomas, solitary fibrous tumors, and a subset of colorectal and endometrial adenocarcinoma.
Subcellular Localization: Cytoplasmic and membranous (normal); nuclear (abnormal)
Organ: OB/GYN
Disease State: Spindle Cell Tumors / Sarcoma Subtyping
CPT Code(s): 88342 or 88341 (reference only; CPTs may vary)
Turnaround Time: Within 1-2 business days of receipt
Schedule: Monday - Friday
Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR -
• 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm