Cupid's bow sign

Case contributed by Hidayatullah Hamidi


Back pain.

Patient Data

Age: 15 years
Gender: Male

The curvature of inferior endplates of L3, L4 and L5 vertebrae and superior endplate of S1 vertebra representing Cupid's bow sign.

Case Discussion

Cupid's bow sign is a normal variant and needs not to be mistaken with pathologic processes.

The features were initially described in x-ray and then in CT, but MRI can also well delineate the endplate changes.

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