Japanese Journal of Radiology

, Volume 32, Issue 4, pp 205–210 | Cite as

Spinal imaging features in Japanese patients with Marfan syndrome: a case-control study

  • Eri Hayashida
  • Daisuke Utsunomiya
  • Akira Sasao
  • Tsuyoshi Yasuda
  • Toshinori Hirai
  • Hideaki Yuki
  • Seitaro Oda
  • Joji Urata
  • Akihiko Arakawa
  • Yasuyuki Yamashita
Original Article
  • 147 Downloads

Abstract

Purpose

The purpose of our study was to evaluate the morphology of the lumbosacral spine, i.e. the dura and vertebral body shape, of Japanese patients with Marfan syndrome (MFS) by comparing it with sex- and age-matched controls.

Materials and methods

Spinal MR or CT images of 32 MFS patients and 32 controls were retrospectively reviewed. The anteroposterior dural sac diameter (DSD), anteroposterior vertebral body diameter (VBD), and vertebral body height (VBH) were measured from L1 to S1 levels and the dural sac ratio [DSR = (DSD/VBD)] and vertebral body aspect ratio [VAR = (VBH/VBD)] were calculated.

Results

At each level, mean DSD and DSR were significantly higher in MFS patients; VBD was not. The cutoff values for DSR to differentiate between MFS patients and the controls were 0.59, 0.46, 0.42, 0.45, 0.47, and 0.47 from the level of L1 to S1. At a sensitivity of 93.8 % and a specificity of 84.4 % the cutoff value at S1 was most diagnostic. In MFS patients VAR was significantly higher at L3 and L4.

Conclusion

Our cutoff value for DSR >0.47 at S1 may help to identify MFS in the Japanese population. A square-like appearance of the L3 and L4 vertebral bodies is a supplementary finding in MFS patients.

Keywords

Marfan syndrome Dural ectasia Magnetic resonance Computed tomography Dural sac ratio 

Notes

Conflict of interest

None.

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Copyright information

© Japan Radiological Society 2014

Authors and Affiliations

  • Eri Hayashida
    • 1
    • 2
  • Daisuke Utsunomiya
    • 2
  • Akira Sasao
    • 1
  • Tsuyoshi Yasuda
    • 1
  • Toshinori Hirai
    • 2
  • Hideaki Yuki
    • 2
  • Seitaro Oda
    • 2
  • Joji Urata
    • 3
  • Akihiko Arakawa
    • 1
  • Yasuyuki Yamashita
    • 2
  1. 1.Diagnostic Imaging CenterSaiseikai Kumamoto HospitalKumamotoJapan
  2. 2.Diagnostic Radiology, Faculty of Life SciencesKumamoto UniversityKumamotoJapan
  3. 3.Diagnostic RadiologyKumamoto City HospitalKumamotoJapan

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