Objective: To evaluate diagnostic value of spiral CT reconstruction in atlantoaxial injuries.
Methods: The images of 25 cases of spiral CT reconstruction were analyzed and compared with images of CT scan and X-ray.
Results: In 7 cases of odontoid process fracture, X-ray demonstrated 4 cases and CT demonstrated 5 cases, whereas the spiral CT reconstruction diagnosed 7 cases, which could display the displacement of fracture clearly. The X-ray and CT showed asymmetric space between left and right gaps of atlantoaxial joint in 6 cases, while spiral CT reconstruction showed normal and excluded the possibility of atlantoaxial dislocation. There was one case of lateral atlantoaxial joint dislocation, which was demonstrated by the spiral CT reconstruction clearly but not by the X-ray and CT scan. There were 3 cases of atlantoaxial congenital deformity (1 case of absence of both posterior arch of atlas and odontoid process and 2 cases of maldevelopment of the odontoid process), which were displayed clearly by spiral CT reconstruction, but misdiagnosed as odontoid process fracture and atlantoaxial subluxation by X-ray and CT scan.
Conclusion: Spiral CT reconstruction can provide the most accurate and integrity imaging information and is very useful in the diagnosis of atlantoaxial injuries and deformity.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
[Application of spiral tracheoplasty in thyroid cancer with tracheal invasion].
Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
December 2024
Department of Otorhinolaryngology Head and Neck Surgery, the Second Xiangya Hospital, Central South University, Changsha410011, China.
To explore the application of spiral tracheoplasty in the repair of large tracheal defects after the resection of trachea invaded by thyroid cancer. A retrospective analysis was performed on the clinical data of 11 patients, including 4 males and 7 females, aged from 36 to 67 years old, with large tracheal defects after tracheal resection due to thyroid papillary carcinoma invading the trachea in the Department of Otorhinolaryngology Head and Neck Surgery, Second Xiangya Hospital, Central South University from January 2019 to January 2022. The range of tracheal defects, time of tracheal reconstruction, postoperative complications and airway were recorded, and the patients were followed up for more than 24 months.
View Article and Find Full Text PDFResearch on the effectiveness of multi-view slice correction strategy based on deep learning in high pitch helical CT reconstruction.
J Xray Sci Technol
December 2024
Center of Ultra-Precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin, China.
Background: Recent studies have explored layered correction strategies, employing a slice-by-slice approach to mitigate the prominent limited-view artifacts present in reconstructed images from high-pitch helical CT scans. However, challenges persist in determining the angles, quantity, and sequencing of slices.
Objective: This study aims to explore the optimal slicing method for high pitch helical scanning 3D reconstruction.
Development of a low-dose strategy for propagation-based imaging helical computed tomography (PBI-HCT): high image quality and reduced radiation dose.
Biomed Phys Eng Express
December 2024
Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK S7N 5A9, Canada.
Article Synopsis
- Propagation-based imaging computed tomography (PBI-CT) is gaining popularity for visualizing low-density materials thanks to its high resolution and image contrast, but it poses radiation risks in live animal imaging due to high doses.
- This study integrates a deep learning method called Sparse2Noise with PBI-CT to significantly reduce radiation exposure (up to 90%) while preserving image quality, showing improved results over traditional low-dose imaging methods.
- The findings indicate that Sparse2Noise provides a better signal-to-noise ratio compared to two other advanced low-dose algorithms, enhancing the effectiveness of PBI-CT for biomedical applications.
Spiral scanning and self-supervised image reconstruction enable ultra-sparse sampling multispectral photoacoustic tomography.
Photoacoustics
October 2024
School of Biomedical Engineering, Southern Medical University, Guangzhou, China.
Multispectral photoacoustic tomography (PAT) is an imaging modality that utilizes the photoacoustic effect to achieve non-invasive and high-contrast imaging of internal tissues but also molecular functional information derived from multi-spectral measurements. However, the hardware cost and computational demand of a multispectral PAT system consisting of up to thousands of detectors are huge. To address this challenge, we propose an ultra-sparse spiral sampling strategy for multispectral PAT, which we named U3S-PAT.
View Article and Find Full Text PDFBiomechanical evaluation of spiral fracture in human metacarpal using chicken humerus model.
J Hand Microsurg
December 2024
Biomechanics Laboratory, Singapore General Hospital, 20 College Road, Academia, Level 1, 169856, Singapore.
Introduction: Animal bones have been used as a model to mimic human bones for investigation of fracture patterns and fixation techniques. This study aims to investigate the effects of torsional forces of varying speeds on the spiral fracture in human metacarpal using a chicken humerus model.
Materials And Methods: Thirty fresh-frozen chicken humerus bones were dissected and equally divided into three groups.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!