Pediatric Orbital Cellulitis

  • Etiology: sinogenic infection
  • Imaging: ethmoid / maxillary sinusitis, orbital septum is border between pre- and post septal space, pre-septal / post-septal cellulitis, periorbital / orbital cellulitis, subperiosteal / orbital abscess, nonopacificed cavernous sinus
  • Complications: subperiosteal abscess may be associated with thrombophlebitis of superior ophthalmic vein, orbital apex syndrome (deficits of cranial nerves 3 + 4), cavernous sinus thrombosis (deficits of cranial nerves 3, 4, 5, 6)

Radiology Cases of Orbital Cellulitis

CT of orbital cellulitis
Axial CT with contrast of the orbits shows opacification of the bilateral ethmoid and maxillary sinuses along with pre and post-septal inflammation of the right orbit. No subperiosteal abscess was seen.
CT of subperiosteal abscess
Axial CT with contrast of the orbits shows opacification of the left ethmoid sinus and bilateral sphenoid sinuses along with pre and post-septal inflammation of the left orbit. A lenticular fluid collection with rim enhancement is present along the medial wall of the left orbit.