We are proud to announce that PhenoPath is now a Quest Diagnostics Company.
IHC
Methodology: IHC
Clinical Significance:
Identifies: A component of smooth muscle myosin, a protein expressed in cells and tumors showing smooth muscle or myoepithelial differentiation. May also be expressed in myofibroblasts. Most commonly employed to distinguish invasive v. in situ breast carcinoma, usually in conjunction with at least one other myoepithelial marker, e.g., p63.
Subcellular Localization: Cytoplasmic
Organ: Breast
Disease State: Breast Cancer
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