HomeCasesPolka-dot sign and corduroy sign - intraosseous vertebral hemangioma
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#FRCR 2B#MSK#Playlist:65444#Musculoskeletal#CT
CTMusculoskeletalConfirmedFRCR 2B

Polka-dot sign and corduroy sign - intraosseous vertebral hemangioma

120 views535y Male10/9/2026
Clinical Presentation

Incidental finding in a chest CT for dyspnea.

  • 1CT images show thickening of the primary vertical weight baring trabeculae leading to corduroy sign on sagittal projection and polka-dot sign axially
  • 2It is caused by replacement of the normal cancellous bone by thickened vertical trabeculae surrounded by fat marrow or vascular lacunae in intraosseous hemangiomas.