Ankylosing spondylitis with bamboo spine and dagger sign

Case contributed by Dr Mohammad Taghi Niknejad


40 year old patient with back pain and stiffness.

Patient Data

Age: 40
Gender: Male

There is typical appearance of bamboo spine with a single central radiodense line related to ossification of supraspinous and interspinous ligaments which is called dagger sign. Ankylosing is detectable in both sacroiliac joints.

Case Discussion

The findings of xray in a 40 Y/O male with back pain and stiffness are consistent of ankylosing spondylitis.

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Case information

rID: 21781
Published: 18th Feb 2013
Last edited: 7th Feb 2016
Inclusion in quiz mode: Included

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