Authors: ANDO, E.¹; OGAWA, T.¹; SHIGETA, Y.¹; HIRAI, S.¹; IKAWA, T.¹; ISHIKAWA, C.²; NEJIMA, J.³

Source: Journal of Oral Rehabilitation, Volume 36, Number 10, October 2009 , pp. 776-780(5)

Publisher: Wiley-Blackwell

Abstract:

Summary 

Osteophytes of the cervical spine are usually seen in elderly adults. When prominent, they have been blamed for dysphagia, cough, dysphonia and dyspnoea. This paper reports on an obstructive sleep apnoea (OSA) patient with cervical spinal osteophytes, one cause of airway obstruction. A 75-year-old male complained of pronounced snoring. The diagnosis was mild OSA, apnoea hypopnoea index was 9·4. Patient reported no restrictions in neck movements, experiences of neck pain or neck trauma. Previously, patient underwent a tonsillectomy due to discomfort in the pharyngeal region. A lateral cephalometric image was taken to observe airway before oral appliance therapy. The image revealed the presence of large osteophytes or sclerotic enthesopathy, lying on anterior surfaces from the fourth to seventh cervical vertebrae. A computed tomography (CT) image revealed the relationship of airway position to the spine. In the reconstructed three-dimensional (3D) image, the airway appeared displaced to the right of the craniomandiblar bone, with the hyoid bone similarly displaced in a manner to that of the airway. The spine also appeared displaced to the left side ofcraniomandiblar bone. Additionally, the 3D image revealed calcification of the stylohyoideum ligament and ligamentum nuchae. This present case highlights the necessity of CT examination for OSA patients. There were several ligament calcifications in the head and neck region. Cervical spine osteophytes, as a component of Forestier's or cervical spine disease, have been associated with dysphagia and dysphonia. It was reported that bilateral vocal cord paralysis was caused by osteophytes compressing the post-cricoid area of larynx.

Keywords: obstructive sleep apnoea; anterior cervical osteophytes; diffuse idiopathic skeletal hyperostosis; computed tomography image; oral appliance

Document Type: Case report

DOI: http://dx.doi.org/10.1111/j.1365-2842.2009.01984.x

Affiliations: 1: Departments of Fixed Prosthodontic Dentistry 2: Prosthodontic Dentistry 3: Internal Medicine, School of Dental Medicine, Tsurumi University, Yokohama, Japan

Publication date: 2009-10-01

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