• J Comput Assist Tomogr · Jan 2007

    Comparative Study

    High-resolution constructive interference in a steady state imaging of cervicothoracic adhesive arachnoiditis.

    • I Ikushima, Y Korogi, T Hirai, and Y Yamashita.
    • Department of Radiology, Miyakonojo Medical Association Hospital, Japan. iku-i@fk.enjoy.ne.jp
    • J Comput Assist Tomogr. 2007 Jan 1; 31 (1): 143-7.

    PurposeTo assess the usefulness of constructive interference in a steady state (CISS) sequence for an evaluation of cervicothoracic adhesive arachnoiditis.MethodsSeven patients with arachnoiditis underwent magnetic resonance imaging with T1- and T2-weighted fast spin-echo (FSE) and 3-dimensional CISS sequences. Three observers compared T2-weighted FSE and 3-dimensional CISS images with regard to image quality for spinal adhesive arachnoiditis. Magnetic resonance appearances accompanied with cervicothoracic adhesive arachnoiditis on CISS coupled with T2-weighted FSE sequences were also evaluated.ResultsThe CISS images were superior to T2-weighted FSE images in the demarcation of spinal cord, dura matter, nerve root, and adhesive point. In our 7 cases with cervicothoracic adhesive arachnoiditis, dural thickening in 2 cases, syringomyelia in 6, arachnoidal cysts in 3, findings of presyrinx in 2, intramedullary microcyst in 2, and deformity of the spinal cord were present.ConclusionsA CISS sequence was more desirable for an evaluation of the cervicothoracic adhesive arachnoiditis than T2-weighted FSE images and could provide useful additional information.

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