Category Pediatric Imaging

Suppurative Adenitis

KEY FACTS Terminology Pus formation within nodes from bacterial infection Synonyms: Adenitis, lymphadenitis, intranodal abscess Imaging Enlarged node(s) with internal fluid & surrounding inflammation (cellulitis) Most often jugulodigastric, submandibular, or retropharyngeal Loss of normal nodal architecture & internal vascularity/enhancement Conglomeration…

Orbital Cellulitis

KEY FACTS Terminology Preseptal cellulitis: Infection anterior to orbital septum Postseptal cellulitis: Infection posterior to orbital septum Orbital septum: Periosteal reflection from bony orbit to tarsal plates Imaging Thickening & edema of orbital/periorbital soft tissues Preseptal cellulitis: Limited to anterior…