Abnormal scapula morphology Omovertebral bone 2025-02-22T16:02:13Z Os omovertebrale The omovertebral bone is seen in approximately one-third of patients with Sprengel deformity. The clinical presentation of SD varies, ranging from simply limited shoulder abduction and mild cosmetic deformity to severe clinical abnormalities. Nonsurgical management is appropriate for mild cases, while severe deformities require surgery. See Figure 1 of PMID:38908946. An osseous connection between the superomedial border of the right scapula and C5-C6 spinous processes.