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Omovertebral bone

Changed by Subhan Iqbal, 8 Oct 2023

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Disclosures - updated 22 Aug 2023: Nothing to disclose

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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.

-<p>The <strong>omovertebral bone</strong> (<strong>os omovertebrale</strong>) is present in ~35% (range 19-47%) of cases of <a href="/articles/sprengel-deformity">Sprengel deformity</a>.</p><h4>Gross anatomy</h4><p>It runs from the superomedial border of the <a href="/articles/scapula">scapula</a> to the spinous processes, transverse processes or laminae of C4 to C7 <sup>1,2</sup>. Occasionally it can be bilateral <sup>2</sup>. The connection from the scapula to the vertebrae may be fibrous or osseous.</p>
+<p>The <strong>omovertebral bone</strong> (<strong>os omovertebrale</strong>) is present in ~35% (range 19-47%) of cases of <a href="/articles/sprengel-deformity">Sprengel deformity</a>.</p><h4>Gross anatomy</h4><p>It runs from the superomedial border of the <a href="/articles/scapula">scapula</a> to the spinous processes, transverse processes or laminae of C4 to C7 <sup>1,2</sup>. Occasionally it can be bilateral <sup>2</sup>. The connection from the scapula to the vertebrae may be fibrous or osseous.</p><h4>Treatment and prognosis</h4><p>Surgical removal of the omovertbral bone is recommended between ages 3-7 years.</p>

References changed:

4. Páscoa Pinheiro J, Fernandes P, Sarmento M. Bilateral Sprengel Deformity With Bilateral Omovertebral Bone: An Unusual Case in an Adult Patient: A Case Report. JBJS Case Connect. 2023;13(1). <a href="https://doi.org/10.2106/JBJS.CC.22.00217">doi:10.2106/JBJS.CC.22.00217</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/36735800">Pubmed</a>

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Omovertebral bone

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Gross anatomy

Treatment and prognosis

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