Axial bone window
System: Musculoskeletal
Section: Signs
Modality: CT (bone window)

- “ Polka dot sign and also corduroy sign are seen due to replacement of the normal cancellous bone by thickened vertical trabeculae surrounded by fat...”

Used in the following article:

  • Polka-dot sign (vertebral hemangioma) - “ The polka-dot sign is the result of the replacement of the normal cancellous bone by thickened vertical trabeculae surrounded by fat marrow or vas...”

View full size version of Polka dot sign and corduroy sign-vertebral hemangioma

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