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retro-pharyngeal (prevertebral) space

normal adult: 4 mm (at C3 level)
abnormal: > 7 mm
c-spine fx
retropharyngeal abscess

Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013

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Gorham's vanishing bone disease

Sever disease

Copyright © 2013, Charles E. Kahn, Jr.