Retropharyngeal abscess

Gets mentioned a lot ok

Deep space neck infections
Etiology The evil cousin (complication) of Quinsy, sore throat, Epiglottitis, whatnot
Epidemiology
Clinical presentation Torticollis/Head held in extension; trismus, drooling, dysphagia
Pathogenesis see Tissue spaces in neck
Diagnostic investigations
Management Basically a combination of Impending airway doom and Impending septic doom
I+D

neck X-rays for your consideration