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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
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Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
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Updated: Feb 16, 2026

A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images
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Molecular testing for thyroid nodules: Review and current state.

Mara Y Roth1, Robert L Witt2,3, David L Steward4

  • 1Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington, Seattle, Washington.

Cancer
|December 27, 2017
PubMed
Summary
This summary is machine-generated.

Thyroid nodules are common, but standard biopsies are often inconclusive. Molecular testing for thyroid nodules improves diagnostic accuracy, aiding treatment decisions for indeterminate cases and enhancing patient care.

Keywords:
cytologydiagnosismolecular testingthyroid cancerthyroid nodules

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Area of Science:

  • Endocrinology
  • Oncology
  • Pathology

Background:

  • Thyroid nodules are highly prevalent, affecting a significant portion of the global population.
  • Current diagnostic methods like fine-needle biopsy with cytologic evaluation have limitations, failing to definitively classify nodules in up to one-third of cases.
  • This diagnostic uncertainty necessitates improved methods for thyroid nodule evaluation.

Purpose of the Study:

  • To review the limitations of conventional cytopathologic evaluation for thyroid nodules.
  • To discuss the evolution and current state of thyroid molecular testing.
  • To assess the strengths and limitations of available commercial molecular tests for thyroid nodules.

Main Methods:

  • Review of existing literature on thyroid nodule diagnostics.
  • Analysis of the development pathway of cytomolecular testing.
  • Evaluation of the performance characteristics of commercially available molecular tests.

Main Results:

  • Initial molecular tests had low sensitivity due to a low likelihood of detecting specific gene mutations.
  • Subsequent molecular tests have been developed to enhance accuracy in classifying thyroid fine-needle aspirations.
  • These advancements aim to reduce unnecessary procedures for benign nodules and confirm malignancy when present.

Conclusions:

  • Cytomolecular testing has evolved to improve the diagnostic accuracy for indeterminate thyroid nodules.
  • Understanding the advantages and limitations of these tests is crucial for appropriate clinical application.
  • Molecular testing holds potential to refine surgical management decisions for thyroid nodules, improving patient outcomes.