A<unk>  is a deep neck space abscess of the<unk>  space (or pharyngomaxillary space), which is lateral to the superior pharyngeal constrictor muscle and medial to the masseter muscle. This space is divided by the styloid process into anterior and posterior compartments. The posterior compartment contains the carotid artery, internal jugular vein, and many nerves.
Parapharyngeal abscess
Retropharyngeal abscess
Laryngeal cyst
Epiglottitis
Adenoiditis
Nasal septal abscess
Nasopharyngeal cyst
Peritonsillar abscess