Codfish vertebra - osteoporosis

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Hyperparathyroidism and severe osteoporosis

Patient Data

Age: 50 years
Gender: Female

Biconcave appearance of thoracolumbar vertebrae with large staghorn stone and severe hydronephrosis at right kidney.

Case Discussion

Biconcave appearance of vertebrae in a patient with severe osteoporosis due to primary hyperparathyroid disease.

This sign is referred to as fish vertebrae (or codfish vertebrae).

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