Cytologically indeterminate thyroid nodules are associated with a broad range (5%-75%) of malignant risk and accurately informing definitive management poses a challenge. Advancements in molecular testing of fine-needle aspiration biopsies have improved preoperative diagnostic accuracy and prognostication. For indeterminate nodules, such testing ideally will reduce the need for surgery for benign nodules and potentially guide appropriate extent of initial surgery for malignancy.
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http://dx.doi.org/10.1016/j.suc.2019.04.002 | DOI Listing |
Ann Surg Oncol
January 2025
University of Pittsburgh, Pittsburgh, PA, USA.
There has been remarkable growth in our understanding of the biologic behavior and molecular signature of thyroid malignancies, which has led to the introduction, application, and evolution of molecular testing of thyroid nodule FNA cytology. Next-generation sequencing molecular testing is an important, well-validated diagnostic tool for management of cytologically indeterminate thyroid nodules. It reduces unnecessary thyroid surgery for benign disease, avoiding associated surgical risks for the patient and reducing healthcare expenses.
View Article and Find Full Text PDFJ Taibah Univ Med Sci
December 2024
Department of Surgery, King Faisal Specialist Hospital & Research Center, Makkah Road, Riyadh, KSA.
Objectives: The global prevalence of Hashimoto's thyroiditis (HT) and differentiated thyroid cancer (DTC), particularly papillary thyroid cancer (PTC), is increasing. However, studies assessing correlations between these diseases have yielded inconsistent findings. Furthermore, patients diagnosed with HT show a higher prevalence of indeterminate cytology than those without HT.
View Article and Find Full Text PDFBJS Open
December 2024
Institute of Cardiovascular Sciences, University College London, London, UK.
Background: While most thyroid nodules are benign, 7-15% are malignant. Patients with indeterminate thyroid nodules (specifically Bethesda IV/Thy3f) often undergo diagnostic hemithyroidectomy to reach a diagnosis on final histology. The aim of this study was to assess the feasibility of circulating large extracellular vesicles as diagnostic biomarkers in patients presenting with Thy3f thyroid nodules.
View Article and Find Full Text PDFFront Oncol
December 2024
Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Background: Serum thyroglobulin (Tg) is a critical marker for monitoring tumor recurrence and metastasis in patients who have undergone total thyroidectomy for differentiated thyroid cancer (DTC). While the definitive role of preoperative serum Tg in DTC is not yet established, studies suggest its importance in differentiating between benign and malignant thyroid nodules with indeterminate cytology, as well as in predicting distant metastasis (DM) in patients with DTC.
Methods: A thorough literature review was conducted on the use of preoperative serum Tg in differentiating between benign and malignant thyroid nodules, and in evaluating the extent of DTC lesions.
Cancers (Basel)
December 2024
Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada.
Thyroid cancer is the most common endocrine malignancy, and accurate diagnosis is crucial for effective management. Fine needle aspiration cytology, guided by the Bethesda System for Reporting Thyroid Cytopathology, categorizes thyroid nodules into six categories, with Bethesda III and IV representing indeterminate diagnoses that pose significant challenges for clinical decision-making. Understanding the molecular profiles of these categories may enhance diagnostic accuracy and guide treatment strategies.
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