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High-resolution constructive interference in a steady state imaging of cervicothoracic adhesive arachnoiditis
I Ikushima1, Y Korogi, T Hirai
1Department of Radiology, Miyakonojo Medical Association Hospital, Japan. iku-i@fk.enjoy.ne.jp
Journal of Computer Assisted Tomography
|January 30, 2007
Summary
Constructive interference in a steady state (CISS) sequence MRI is superior to T2-weighted fast spin-echo (FSE) for evaluating cervicothoracic adhesive arachnoiditis. CISS imaging offers better visualization of spinal structures and aids in diagnosing associated conditions.
Area of Science:
- Radiology
- Neuroimaging
- Spinal Imaging
Background:
- Adhesive arachnoiditis is a serious spinal cord condition.
- Accurate imaging is crucial for diagnosis and management.
Purpose of the Study:
- To evaluate the utility of 3D Constructive Interference in Steady State (CISS) sequences for diagnosing cervicothoracic adhesive arachnoiditis.
- To compare CISS sequence effectiveness against traditional T2-weighted Fast Spin-Echo (FSE) sequences.
Main Methods:
- Seven patients with arachnoiditis underwent MRI using T1-weighted FSE, T2-weighted FSE, and 3D CISS sequences.
- Three observers assessed image quality for depicting spinal adhesive arachnoiditis.
- Compared MRI appearances of CISS and T2-weighted FSE sequences.
Main Results:
- CISS sequences demonstrated superior demarcation of the spinal cord, dura mater, nerve roots, and adhesive points compared to T2-weighted FSE.
- In seven patients, CISS imaging revealed dural thickening (2), syringomyelia (6), arachnoidal cysts (3), presyrinx (2), intramedullary microcysts (2), and spinal cord deformity.
Conclusions:
- 3D CISS sequences are more effective than T2-weighted FSE for evaluating cervicothoracic adhesive arachnoiditis.
- CISS imaging provides valuable supplementary information for diagnosing spinal conditions.
