Ankylosing spondylitis - Andersson lesion

Case contributed by Dr Renan Ibrahem Adam

Presentation

Increasing low back pain.

Patient Data

Age: 25 years
Gender: Male

There is central abnormal discovertebral signal affecting both vertebral halves of L1/L2 and L3/L4 with an almost hemispherical shape. At L4/L5 only the L4 side is affected. The endplate lesions appear hyperintense on STIR images and hypointense on T1-weighted images. 

Case Discussion

The appearances are in keeping with Andersson lesions and active disease in a patient with known ankylosing spondylitis. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.