Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Osteoma of the stylohyoid chain: A rare presentation in a CBCT study

  • Sai Mi Kim (Department of Oral and Maxillofacial Medicine and Diagnostics Science, Case Western Reserve University School of Dental Medicine) ;
  • Dev Patel (Louis Stokes VA Medical Center) ;
  • Ali Zakir Syed (Department of Oral and Maxillofacial Medicine and Diagnostics Science, Case Western Reserve University School of Dental Medicine)
  • Received : 2023.10.07
  • Accepted : 2023.12.20
  • Published : 2024.03.31
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Abstract

A 54-year-old male patient presented for a periodic check-up at the dental clinic. A panoramic radiograph showed bilateral ossification of the stylohyoid ligament with an oval radiopacity on the right side. Cone-beam computed tomography revealed a well-defined, homogenous hyperdense entity from the lower third of the ossified stylohyoid ligament on the right side. The differential diagnosis of osteoma on the stylohyoid chain includes Eagle syndrome and benign tumors of the stylohyoid chain and adjacent structures. Osteoma rarely manifests in the neck. Even more infrequent are tumors originating from the stylohyoid chain, with only a single documented case of osteoma reported in the literature in 1993. Due to the asymptomatic status, no surgical intervention was advised, and the case would be monitored periodically. This case report describes the details of an osteoma that emerged from the stylohyoid chain, marking it as the second recorded occurrence of this highly rare condition.

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References

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