Related Experiment Video
Updated: Dec 9, 2025

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
Published on: November 27, 2017
Precision Medicine with 3D Ultrasound
Ghobad Azizi1, Faust Kirk2, Lorna Ogden3
1Wilmington Endocrinology, Wilmington, North Carolina, USA.
This report describes a case where three-dimensional ultrasound helped identify a small, cancerous thyroid nodule that might have been overlooked by standard two-dimensional imaging. By providing a clearer view of the nodule's irregular edges, this advanced technology allowed for a timely biopsy and diagnosis of papillary thyroid cancer.
Area of Science:
- Diagnostic imaging within thyroid oncology
- Precision medicine and 3D ultrasound applications
Background:
Standard two-dimensional imaging often struggles to provide sufficient detail for small thyroid nodules. Clinicians frequently rely on size-based criteria that may miss early-stage malignancies. This gap motivated the exploration of more advanced diagnostic tools. Prior research has shown that elastography can assist in evaluating tissue stiffness. However, these methods sometimes fail when autoimmune conditions like Hashimoto's thyroiditis cause widespread tissue changes. That uncertainty drove the need for better visualization techniques. No prior work had resolved the limitations of conventional ultrasound for small, irregular lesions. This case highlights how newer imaging modalities might overcome these persistent diagnostic challenges.
Purpose Of The Study:
The authors aim to demonstrate how three-dimensional ultrasound can improve the management of thyroid nodules. They address the limitations of current imaging standards that rely heavily on nodule size. This study explores the diagnostic challenges posed by autoimmune thyroid disease during conventional ultrasound assessments. The researchers seek to provide a clearer approach for identifying small, potentially malignant lesions. They investigate whether adding a coronal view can enhance the visualization of irregular nodule margins. The team highlights the discrepancy between different imaging systems in patients with tissue fibrosis. They intend to show that advanced imaging can support more effective clinical decision-making. This report serves to illustrate the potential benefits of integrating newer technology into routine thyroid evaluations.
Main Methods:
The clinical team performed a comprehensive evaluation of a patient presenting with a suspicious thyroid lesion. Their review approach involved comparing standard B-mode imaging with advanced elastography techniques. They utilized shear wave velocity measurements to quantify tissue stiffness within the gland. The researchers also employed three-dimensional ultrasound to obtain coronal, transverse, and longitudinal views of the target area. Following these imaging steps, they conducted a fine needle aspiration biopsy to obtain tissue samples. Cytopathology analysis confirmed the final diagnosis of the lesion. The team integrated these findings with the patient's history of Hashimoto's thyroiditis. This systematic process allowed for a detailed assessment of the nodule's characteristics and malignancy risk.
Main Results:
The three-dimensional ultrasound examination revealed an isoechoic nodule with irregular margins and a total volume of 0.119 cubic centimeters. The shear wave velocity measurement for the target nodule was 3.1 meters per second. Cytopathology results definitively identified the lesion as papillary thyroid cancer, classified as Bethesda Category VI. A subsequent total thyroidectomy confirmed the presence of a seven-millimeter tumor. The surgical pathology report noted positive margins resulting from thyroid capsule invasion. The imaging team observed that strain elastography showed diffuse tissue stiffness throughout the gland. This finding was attributed to fibrosis caused by the patient's underlying autoimmune condition. The researchers noted that this diffuse stiffness obscured the distinction between the target nodule and surrounding tissue.
Conclusions:
The authors propose that three-dimensional ultrasound enhances the detection of thyroid cancer by providing a coronal view. This additional perspective helps clinicians identify irregular nodule margins that are difficult to see with standard methods. The researchers suggest that size-based biopsy cutoffs may be less relevant when using this advanced imaging technology. They observe that autoimmune thyroid disease can complicate the interpretation of elastography results due to tissue fibrosis. The team emphasizes that combining multiple imaging modalities may improve overall diagnostic accuracy for patients. They note that the ability to visualize small lesions clearly supports more proactive clinical decision-making. The report synthesizes evidence showing that this technology offers a valuable supplement to traditional diagnostic workflows. These findings imply that integrating three-dimensional imaging could refine management strategies for thyroid nodules.
Frequently Asked Questions
The researchers propose that three-dimensional ultrasound provides a coronal view, which reveals irregular nodule margins. This perspective allows clinicians to identify malignant features in small lesions that standard two-dimensional imaging might miss, facilitating earlier biopsy decisions despite small nodule size.
The authors utilize three-dimensional ultrasound, which adds a coronal view to the standard transverse and longitudinal planes. This tool is compared against B-mode imaging and elastography, which often struggle to distinguish target lesions from surrounding tissue in patients with severe Hashimoto's thyroiditis.
The researchers suggest that three-dimensional ultrasound is necessary because standard B-mode imaging has low sensitivity for predicting cancer. Furthermore, elastography results can be unreliable in patients with autoimmune thyroid disease, where fibrosis creates diffuse tissue stiffness that masks the target nodule.
The authors use cytopathology data from fine needle aspiration biopsy to confirm the diagnosis of papillary thyroid cancer. This biopsy data serves as the definitive reference to validate the suspicious findings initially observed during the three-dimensional ultrasound examination.
The researchers measure shear wave velocity to assess tissue stiffness, noting a value of 3.1 m/s for the nodule. They compare this to their previous findings where malignant nodules averaged 3.96 m/s and benign nodules averaged 2.71 m/s.
The authors propose that three-dimensional ultrasound may allow clinicians to bypass traditional size-based biopsy cutoffs. They suggest that the ability to visualize irregular margins makes the size of the nodule less important than the morphological features identified through the coronal view.

