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- Title
Expression of oestrogen-a receptor in papillary thyroid carcinoma and its association with metastasis.
- Authors
Siti Atiqah AB HALIM; Suk Kam LEE; Muaatamarulain MUSTANGIN; Muhammad Fakhri MOHD SALEH; Shamsul Azhar SHAH; Nurismah MD ISA
- Abstract
Introduction: Papillary thyroid carcinoma (PTC) is the ninth most common malignancy among women. Although the disease prognosis is good, less favourable outcomes are predicted in those with higher disease stages and nodal metastasis. Oestrogen- α (ER-α) expression has been associated with aggressive presentation and greater disease progression and has been proposed as a predictor for lymph node metastases. The objective of this study was to evaluate the association between ER expression and clinicopathological features i.e. lymph node metastasis, tumour size, extrathyroidal extension, histological variants of PTC, age groups, ethnic and gender. Methods: We studied ER-α expression in 84 cases of PTC obtained within an eight-year period (2011-2018) by immunohistochemical technique (IHC). Associations between ER-α expression and clinicopathological features were evaluated using Fisher's exact test. The statistical significance was set at p < 0.05. Results: ER-α was expressed in 13.1% of all the PTC cases examined (n=11/84). There were no associations observed between ER-α expression and lymph node metastasis (p=1.000), tumour size (p=0.970), extrathyroidal extension (p=0.677), variants of PTC (p=1.000), age groups (p=0.188), gender (p=0.725) or race (p=0.920). Conclusion: There was no evidence in this study to support the application of ER-α as prediction marker for lymph node metastasis or disease aggressiveness in PTC. Given that the scope of this study was limited to the protein expression of ER- α, we also propose the inclusion of molecular analysis of ESR1 gene expression, as well as inclusion of detailed clinical and radiological findings in future research investigating the role of ER-α in prognostication of PTC.
- Subjects
PAPILLARY carcinoma; THYROID cancer; LYMPHATIC metastasis; PROGNOSIS; METASTASIS
- Publication
Malaysian Journal of Pathology, 2020, Vol 42, Issue 3, p415
- ISSN
0126-8635
- Publication type
Article