Polka dot sign and corduroy sign-vertebral hemangioma

Case contributed by Dr Mohammad Taghi Niknejad


Evaluation of abdominal pain.

Patient Data

Age: 40 years
Gender: Male

White dots in the black background which is seen on axial image of a lumbar vertebra consistent with polka-dot sign. There are also vertically-oriented, thickened trabeculae on sagittal image at the same vertebra compatible with corduroy sign.

Case Discussion

Polka dot sign and also corduroy sign are seen due to replacement of the normal cancellous bone by thickened vertical trabeculae surrounded by fat marrow or vascular lacunae in intraosseous hemangiomas.

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Case information

rID: 61295
Published: 27th Jun 2018
Last edited: 14th Aug 2019
System: Spine
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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