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Rugger-jersey spine

Rugger-jersey spine describes the prominent subendplate densities at multiple contiguous levels to produce an alternating dense-lucent-dense appearance. This simulates the transverse bands of a rugby jersey.

This term and pattern is distinctive for hyperparathyroidism.

Differential diagnosis

Note: some authors use the term rugger jersey for osteopetrosis, although most would assume the term refers to hyperparathyroidism.

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Inspired signs

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