Calretinin pin

IHC

Calretinin

Methodology: IHC

Clinical Significance:
Antibodies to calretinin have been demonstrated to be a sensitive and relatively specific marker of mesothelial cells and mesothelioma, helping to distinguish the latter from adenocarcinoma. Also identifies ovarian stromal tumors.

Subcellular Localization: Nuclear and cytoplasmic

Organ: Lung, OB/GYN, Ovary

Disease State: Mesothelioma vs. Adenocarcinoma

CPT Code(s): 88342 or 88341

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

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