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Ultrasonography

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...

Assessing Blood pressure using a doppler ultrasound

Assessing Blood pressure using a doppler ultrasound

To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:

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Related Experiment Video

Updated: Jun 6, 2025

Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis

Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis

Published on: February 9, 2024

Differential Ultrasound Rates Mirror Sex Disparities in Thyroid Cancer.

Sara Fernandes-Taylor¹, Erin J Aiello Bowles², Manasa Venkatesh³

¹Division of Geriatrics and Gerontology, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA.

Thyroid : Official Journal of the American Thyroid Association

|November 28, 2024

Summary

Thyroid cancer incidence is higher in females, but this study found ultrasound-triggered fine needle aspiration biopsy (FNAB) was more common in males. Sex disparities in thyroid ultrasound rates may drive sex disparities in thyroid cancer incidence.

Keywords:

health services research sex disparities thyroid cancer ultrasound

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A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images

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Published on: April 21, 2023

Area of Science:

Endocrinology
Oncology
Medical Diagnostics

Background:

Thyroid cancer incidence is higher in females, a disparity that has widened over time.
Sex differences in thyroid cancer are understudied, especially concerning diagnostic testing in privately insured adults.
Thyroid cancer is most common among privately insured adults.

Purpose of the Study:

To evaluate the association between thyroid ultrasound, fine needle aspiration biopsy (FNAB), and thyroid cancer incidence by sex.
To investigate the role of diagnostic testing in sex disparities in thyroid cancer.
To analyze trends in ultrasound use, FNAB rates, and cancer detection by sex.

Main Methods:

Longitudinal retrospective cohort study of adult enrollees (1997-2019) who underwent thyroid ultrasound.
Data linkage of electronic billing claims with tumor registry diagnoses.
Poisson regression modeling to assess the relationship between sex and ultrasound-triggered FNAB, adjusting for covariates.

Main Results:

Ultrasound and FNAB rates increased significantly for both sexes between 1997 and 2019, with higher absolute rates in females.
FNAB per ultrasound was slightly higher in males (Adj rate ratio = 1.06).
Cancer incidence per FNAB was similar between sexes (0.06), despite higher overall cancer incidence in females.

Conclusions:

Sex disparities in thyroid ultrasound utilization appear to be a significant driver of observed sex disparities in thyroid cancer incidence.
The finding that ultrasound-triggered FNAB is more common in males challenges traditional understanding of sex-based thyroid cancer disparities.
While population-level differences in FNAB and cancer exist, differences among individuals undergoing ultrasound were minimal.