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An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma

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Published on: April 17, 2013

Molecular markers in thyroid cancer diagnostics.

Meredith A Kato¹, Thomas J Fahey

¹Division of Endocrine Surgery, Department of Surgery, New York Presbyterian Hospital, Weill Cornell Medical Center, New York, NY 10068, USA. mek2002@med.cornell.edu

The Surgical Clinics of North America

|October 20, 2009

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Fine-needle aspiration biopsy (FNA) often yields indeterminate results for thyroid nodules. Molecular markers show promise in improving diagnosis when FNA is inconclusive, aiding in thyroid cancer management.

Area of Science:

Endocrinology and Oncology
Molecular Diagnostics
Thyroid Cancer Research

Background:

Fine-needle aspiration biopsy (FNA) is the primary method for evaluating thyroid nodules.
A significant percentage of FNA results (up to 20%) are indeterminate, posing a diagnostic challenge.
Indeterminate thyroid nodules include those with cellular atypia, suspicious cytology, or a follicular pattern.

Purpose of the Study:

To review molecular markers that can aid in the diagnosis of indeterminate thyroid nodules.
To assess the potential of these markers as adjuncts to FNA in thyroid cancer detection.

Main Methods:

Exploration of various molecular markers, including galectin-3, HBME-1, BRAF, RET/PTC, PAX8-PPARgamma, hTERT, telomerase, miRNA, and multigene assays.
Review of research over the past two decades on molecular marker development for thyroid nodules.

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Main Results:

No single molecular marker has definitively resolved the diagnostic dilemma of indeterminate thyroid nodules.
Combinations of molecular markers have demonstrated significant promise in improving diagnostic accuracy.
These markers can serve as valuable adjuncts to traditional FNA cytology.

Conclusions:

Molecular markers offer a promising avenue for improving the preoperative diagnosis of thyroid nodules with indeterminate FNA results.
Further research and validation of marker combinations are crucial for clinical implementation in thyroid cancer management.