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Identifies E-cadherin, a transmembrane protein the function of which is cell-cell adhesion. Lobular carcinomas of the breast can be distinguished from ductal carcinomas by the presence in the former of genetic or epigenetic changes affecting the E-cadherin gene resulting in loss, or profound reduction, of expression of E-cadherin protein.
Subcellular Localization: Membranous
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
• 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