Diffuse idiopathic skeletal hyperostosis
Sensation of foreign body stuck in throat especially on swallowing.
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Extensive hyperostosis of the anterior aspect of the cervical spine due calcification of the anterior longitudinal ligament with flowing osteophytosis from C2-C7.
Loss of the normal cervical lordosis.
No soft tissue foreign body.
A pretty extreme example of DISH, which explains the patient's complaint of a foreign body sensation.