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Figure 1: CT-scan with contrast of pharyngeal mucosal space abscesses (PMA).
a. right side PMA protruding into the pharyngeal lumen; it locates to the lateral pharyngeal wall just under pharyngeal mucosa and medial to pharyngeal constrictors, away from ipsilateral carotid artery and internal jugular vein.
b. right side PMA protruding into the pharyngeal lumen and passing medial to hyoid bone, away from ipsilateral carotid artery and internal jugular vein.