Using Immunohistochemistry to Diagnose Papillary Thyroid Carcinoma
Author Information
Author(s): El Demellawy Dina, Nasr Ahmed, Alowami Salem
Primary Institution: University of Northern Ontario School of Medicine
Hypothesis
Can a panel of immunohistochemical markers distinguish papillary thyroid carcinoma from other thyroid lesions?
Conclusion
A panel of CD56, CK19, and P63 is effective in distinguishing papillary thyroid carcinoma from other thyroid follicular lesions.
Supporting Evidence
- CD56 was absent in all papillary thyroid carcinoma cases.
- CK19 was positive in 85% of papillary thyroid carcinoma cases.
- P63 showed selective positivity in 70% of papillary thyroid carcinoma cases.
Takeaway
Doctors can use special tests to tell if a thyroid tumor is cancer or not, and this study found some helpful markers.
Methodology
The study evaluated 175 cases of thyroid lesions using immunohistochemistry for CD56, CK19, P63, and E-Cadherin.
Potential Biases
Inter-observer variability among pathologists could affect diagnosis.
Limitations
The study may not apply outside of thyroid tissues and excluded controversial cases.
Participant Demographics
Included various thyroid lesions and neoplasms from patients treated between 1999 and 2007.
Digital Object Identifier (DOI)
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