Omovertebral bone

Last revised by Subhan Iqbal on 9 Oct 2023

The omovertebral bone (os omovertebrale) is present in ~35% (range 19-47%) of cases of Sprengel deformity.

Gross anatomy

It runs from the superomedial border of the scapula to the spinous processes, transverse processes or laminae of C4 to C7 1,2. Occasionally it can be bilateral 2. The connection from the scapula to the vertebrae may be fibrous or osseous.

Treatment and prognosis

Surgical removal of the omovertbral bone is recommended between ages 3-7 years.

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Cases and figures

  • Case 1: Sprengel deformity with os omovertebrale
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  • Case 2
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  • Case 3
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  • Case 4
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  • Case 5
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  • Case 6
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  • Case 7
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  • Case 8
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