Hypoglossal Nerve Palsy as a Cause of Severe Dysphagia along with the Oropharyngeal Stenosis due to Occipitocervical Kyphosis

Figure 1

Lateral cervical X-ray at the first visit to our hospital showing instruments on C1/C2, O-C2 angle of 17-degree kyphosis, and vertical subluxation: Redlund-Johnell’s distance, 22 mm. Space available for the cord (SAC), atlantodental interval (ADI), and C2-7 angle are 15 mm, 2 mm, and 33°, respectively.