Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

Imaging Studies III: Computed Tomography

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The CCR2 inflammatory pathway is a target for improving severe disease and pulmonary inflammation in experimental COVID-19.

Virulence·2026

Same author

Comparative analysis of LDR and HDR intracavitary brachytherapy in cervical cancer: the critical role of overall treatment time - a decade of experience.

Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology·2026

Same author

Comparative performance of biopolymer-supported graphitic carbon nitride nanosheets for electrochemical carcinoembryonic antigen cancer biomarker detection in serum samples using smartphone device.

Mikrochimica acta·2026

Same author

Risk of Total Hip Arthroplasty After Sacroiliac Joint Fusion Surgery: A Nationwide Study.

Global spine journal·2026

Same author

The Efficacy and Safety of Tranexamic Acid in Revision Total Knee and Total Hip Arthroplasty: A Systematic Review and Meta-Analysis.

Arthroplasty today·2026

Same author

Successful treatment of chronic retained bronchial foreign bodies and secondary bronchial stenosis with balloon bronchoplasty in young patients: A case series with review of literature.

Lung India : official organ of Indian Chest Society·2026

Search research articles

Related Experiment Video

Updated: Jul 9, 2026

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Published on: November 23, 2019

A Comparative Analysis of Lower Extremity Deformity Correction: Two-Dimensional vs. Three-Dimensional Computer

Andrew Dobitsch¹, Ryan Palmer¹, Avinash Iyer¹

¹USC Keck School of Medicine, Department of Orthopaedic Surgery, California, United States, Los Angeles.

The Journal of Knee Surgery

|July 7, 2026

Summary

Three-dimensional (3D) CT imaging offers improved accuracy for lower extremity osteotomies compared to traditional two-dimensional (2D) methods. Specifically, 3D planning enhances precision in tibial torsion measurements, crucial for correcting patellofemoral disorders.

More Related Videos

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

Published on: February 17, 2023

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

Published on: November 27, 2017

Related Experiment Videos

Last Updated: Jul 9, 2026

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Published on: November 23, 2019

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

Published on: February 17, 2023

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

Published on: November 27, 2017

Area of Science:

Orthopedic Surgery
Medical Imaging
Biomechanical Engineering

Background:

Traditional preoperative planning for lower extremity osteotomies relies on 2D CT scans.
Emerging evidence suggests 3D reconstruction offers superior preoperative planning capabilities.
This study compares 2D and 3D imaging for lower extremity alignment in patellofemoral disorder treatment.

Purpose of the Study:

To compare lower extremity alignment parameters using 2D and 3D CT measurements.
To evaluate the accuracy of 2D versus 3D techniques in preoperative planning for osteotomies.
To assess differences in tibial tuberosity-trochlear groove (TT-TG), tibial torsion, and Caton-Deschamps (CD) index measurements.

Main Methods:

Retrospective analysis of lower extremity osteotomies (2022-2024).
Inclusion of patients with both 2D and 3D CT measurements prior to surgery.
Measurement of TT-TG, tibial torsion, and CD index using both 2D and 3D imaging modalities.
Paired t-tests to determine statistical significance (p≤0.05) of discrepancies.

Main Results:

52 patients (66.0% female, mean age 31.1 years) were analyzed.
Similar median measurements for TT-TG (16.0 vs 16.3 mm) and CD index (1.1 vs 1.2).
Significantly greater median tibial torsion on 2D (27.0°) vs 3D (22.7°) imaging.
Average absolute differences: TT-TG 3.1 mm, tibial torsion 5.6°, CD index 0.16.

Conclusions:

Statistically significant differences in tibial torsion measurements indicate limitations of 2D CT.
3D preoperative planning enhances accuracy for multi-planar alignment goals in osteotomies.
Further research is warranted to explore clinical implications and refine imaging protocols.