Polka-dot sign and corduroy sign - intraosseous vertebral hemangioma

Case contributed by Mohammadtaghi Niknejad
Diagnosis almost certain

Presentation

Incidental finding in a chest CT for dyspnea.

Patient Data

Age: 35 years
Gender: Male

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

Case Discussion

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

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