TTF1 Immunohistochemistry (IHC)
Use
Thyroid Transcription Factory (TTF1) is predominantly found in lung and thyroid neoplasms. The utility of TTF1 becomes apparent in the differential diagnosis of primary versus metastatic carcinomas, especially in the lung.
Special Instructions
Not provided.
Limitations
The test may show weak staining in non-lung tissues, which could affect interpretation if not carefully evaluated alongside other diagnostic criteria.
New York Approved
Methodology
Immunoassay (IHC)
Biomarkers
TTF1
Protein
Result Turnaround Time
24 hours
Related Documents
For more information, please review the documents below
Specimen
Tissue (FFPE)
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred or one (1) unbaked, unstained slide for H&E staining and two to three (2-3) positively charged unstained slides for each test/antibody ordered.
Storage Instructions
Use cold pack for transport, ensuring cold pack is not in direct contact with specimen.