(a)
(b)
Figure 17: Calcific tendinitis mimicking infection. (a) Marked retropharyngeal edema (arrowhead) in a patient with retropharyngeal cellulitis. (b) Similar but less exuberant retropharyngeal edema in a patient with longus colli calcific tendinitis. The calcification of the longus colli (arrow) allows differentiation of calcific tendinitis from infection.