Unfused transverse process ossification center of L1 vertebra

Case contributed by Rania Adel Anan
Diagnosis certain

Presentation

Non specific low back pain. No history of trauma.

Patient Data

Age: 40 years
Gender: Female

Frontal radiograph of lumbosacral spines reveals smooth well corticated lucent line at both transverse processes of L1 vertebra, in keeping with incomplete fusion of the transverse process ossific center bilaterally.

Case Discussion

Unfused transverse process ossification centers are usually incidental findings. It must be carefully diagnosed to not be mistaken as transverse process fracture in setting of spinal trauma.

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