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Clinical introduction
An 88-year-old man with intermittent fever, cough, vomiting and progressive dysphagia was transferred to our ED. His medical history was moderate hypertension and hyperlipidaemia. His family disclosed he had frequent repeated aspiration pneumonia within 3 months. A chest radiograph showed an obvious consolidation of the right lower lobe. Lateral radiograph of cervical spine was shown in figure 1.
Question
What is the most likely cause of recurrent aspiration pneumonia?
Diffuse idiopathic skeletal hyperostosis
Acute calcific retropharyngeal tendinitis
Crowned dens syndrome
Posterior longitudinal ligament …
Footnotes
Contributors HM contributed to writing the manuscript, discussion, diagnosis and patient care. RI contributed to discussion and patient care.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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