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Related Concept Videos

The Parathyroid Glands00:59

The Parathyroid Glands

The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by producing...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Ultrasonography01:17

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 a...

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Related Experiment Video

Updated: May 10, 2026

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions
05:41

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions

Published on: February 9, 2024

Ultrasound for localization in primary hyperparathyroidism.

Russell B Smith1, Maria Evasovich, Douglas A Girod

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Nebraska, Omaha, Nebraska 68198, USA. rbsmith@unmc.edu

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 11, 2013
PubMed
Summary

Ultrasound is an acceptable initial test for primary hyperparathyroidism localization. If ultrasound fails, sestamibi scintigraphy may help, but detects abnormalities in less than half of cases.

Keywords:
hyperparathyroidismlocalizationultrasonography

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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
07:12

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

Published on: August 17, 2022

Related Experiment Videos

Last Updated: May 10, 2026

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions
05:41

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions

Published on: February 9, 2024

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
07:12

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

Published on: August 17, 2022

Area of Science:

  • Endocrinology
  • Radiology
  • Surgical Oncology

Background:

  • Primary hyperparathyroidism diagnosis relies on biochemical evidence.
  • Accurate preoperative localization of parathyroid adenomas is crucial for successful surgical outcomes.
  • Various imaging modalities are employed for preoperative localization.

Purpose of the Study:

  • To assess the effectiveness of ultrasound in preoperative localization of parathyroid glands in primary hyperparathyroidism.
  • To compare the accuracy of ultrasound with sestamibi scintigraphy for parathyroid localization.

Main Methods:

  • Prospective study involving 220 patients undergoing parathyroid surgery.
  • Evaluation of preoperative localization findings from ultrasound and sestamibi scintigraphy.
  • Correlation of imaging results with surgical findings.

Main Results:

  • Ultrasound localized abnormalities in 71% of patients, with 82% accuracy at surgery.
  • Sestamibi scintigraphy localized abnormalities in 79% of patients, with 85% accuracy.
  • In cases of inaccurate ultrasound, sestamibi scintigraphy identified the correct site in 45% of patients.

Conclusions:

  • Ultrasound is a suitable initial imaging modality for primary hyperparathyroidism localization.
  • Sestamibi scintigraphy is recommended when ultrasound is inconclusive, though its detection rate is below 50%.