Parapharyngeal abscess

Findings

The right parapharyngeal space contains a hypo attenuating collection near simple fluid in attenuation. Collection extends from just below the level of the hyoid to just below the right mandibular condyle, is anterior to the carotid space inferiorly, anteromedial to the carotid space superiorly. No significant rim enhancement. No inflammatory fat stranding is present. Right submandibular gland is along the anterolateral margin of this collection. Multiple prominent lymph nodes were visible.

Differential diagnosis:
- Abscess
- Lymphangioma
- Second branchial cleft cyst
- Ranula


Diagnosis: Parapharyngeal abscess