Presentation
The patient complaining of lower back pain, radiating to the left leg.
Patient Data
Age: 40 years
Gender: Male
From the case:
Lumbarization with lumbar rib
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Frontal

Lumbarization of S1.
Left lumbar rib.
Metal clips in the right upper abdominal quadrant ?cholecystectomy.
Case Discussion
Lumbarization is a congenital disorder where 1st sacral vertebra can show an abnormal articulation with the 2nd sacral vertebrae.
Sacralization is a congenital disorder where the 5th lumbar vertebra fused partially or completely with the 1st sacral vertebra.