Pediatric Danger Space Abscess

  • Etiology:
    — Retropharyngeal space extends from skull base to T2
    — Danger space is posterior to retropharyngeal space, extends from skull base to diaphragm
    — Prevertebral space is posterior to danger space, extends from skull base to coccyx
    — So danger space abscess is deep neck collection extending into mediastinum / below T2
  • Complications: abscess in danger space can cause descending necrotizing mediastinitis, jugular vein thrombophlebitis / thrombosis, carotid artery rupture, pericarditis / tamponade, bronchial erosion / pyopneumothorax

Radiology Cases of Danger Space Abscess