Head and Neck

Ludwig angina

Descending necrotizing mediastinitis

Odontogenic subperiosteal abscess

Tonsillitis and adenoiditis

Peritonsillar abscess

Suppurative lymphadenitis

Retropharyngeal abscess

Left internal jugular vein thrombosis with intracranial extension and likely septic pulmonary emboli

Possible epidural abscess

Acute epiglottitis

Sialoadenitis

Acute left parotiditis

Angioedema

Calcific tendinitis of the longus colli muscle

Orbital pseudotumor aka idiopathic orbital inflammation

Septic thrombophlebitis of the left internal jugular vein (Lemierre syndrome)

Subperiosteal orbital abscess with postseptal cellulitis

Dacryocystitis

Invasive fungal sinusitis

Peritonsillar abscess

Pneumonia

Tonsillitis with peritonsillar abscess

Tonsillitis with phlegmon/early abscess

Epiglottitis

Sialadenitis

Lemierre syndrome

Reactive sialadenitis

Right submandibular sialadenitis with sialolithiasis

Calcific tendinitis of the longus colli

Septic thrombophlebitis

Cervical lymphadenitis

Retropharyngeal edema

No acute findings

Invasive fungal sinusitis

Facial cellulitis

Orbital cellulitis

Cavernous sinus thrombosis

No acute findings

Odontogenic subperiosteal abscess

Ludwig angina, floor of mouth abscess

Prevertebral abscess

Discitis

Parotiditis with suppurative intraparotid lymph nodes

Angioedema

Suppurative lymphadenitis with descending mediastinitis

Metastatic head and neck cancer

No acute findings

Retropharyngeal edema

No acute findings in the neck

Pneumonia

Catheter-associated septic thrombophlebitis of the right internal jugular vein

Acute left parotiditis

Ludwig angina