Shiny corner sign

Case contributed by Dr Ian Bickle

Presentation

Inflammatory arthritis. Inflammatory back pain - ? spondyloarthritis. AS protocol.

Patient Data

Age: 25 years
Gender: Female
MRI

Triangular low T1/high STIR signal at the L4 anteroinferior corner and both the anterosuperior and anteroinferior corners of L5 (shiny corner sign).

The remaining of the spine is normal in appearance.

No sacroiliitis.

3.2cm simple right ovarian cyst.

Case Discussion

The shiny corner sign is observed due to ostetitis in inflammatory arthropathies, most classically in ankylosing spondylitis.

It is best appreciated on STIR, hence the universal use of this sequence in the protocols for assessing inflammatory arthropathies.

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Case information

rID: 88855
Published: 21st Apr 2021
Last edited: 25th Apr 2021
Inclusion in quiz mode: Included

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