Related Experiment Video
Updated: Mar 15, 2026

Visualization and Analysis of Pharyngeal Arch Arteries using Whole-mount Immunohistochemistry and 3D Reconstruction
Published on: March 31, 2020
[Imaging features analysis of Erdheim-Chester]
1MRI Department, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China.
Objective:
To investigate the imaging features of Erdheim-Chester.
Methods:
A total of 7 patients with ECD confirmed by pathology were analyzed retrospectively.And the DR(n=5), CT(n=6, 3 patients underwent enhanced scan), MR(n=4, 2 patients underwent enhanced scan) and SPECT (n=3) features were observed.
Results:
Among 7 cases of ECD, four cases of DR images showed luffa cystic changes.Five cases of CT images showed bone dissolved, four showed peripheral localized sclerosis, one showed symmetric sclerosis, No enhancement was found on CT scan.Four cases of MR images, three occurred as long T1 and long T2 signal, one occurred as short T1 and long T2 signal, and inhomogeneous enhancement.One case in soft tissue occurred as long T1 and long T2 signal, and inhomogeneous enhancement.Three cases of SPECT images were characterized by radioactive nuclide concentration of diseased region.
Conclusion:
When ECD lesions located in capitulum and metaphysis, most images of DR and CT show bone dissolved and peripheral localized sclerosis; MRI findings are complicated, the reason might be different proportion of mature and immature lipid components.SPECT would be a kind of effective measure of finding hidden lesion and monitoring curative effect.
Related Concept Videos
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
Endocarditis II: Clinical Features of Infective Endocarditis
Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Mitral Stenosis II: Clinical features and Diagnostic Tests

