What is ENT - Where are the retropharyngeal space, danger space, and prevertebral space?
• Retropharyngeal Space Boundaries • Superior: Skull base • Inferior: Mediastinum at the tracheal bifurcation • Anterior: Buccopharyngeal fascia lining the posterior pharynx and esophagus • Posterior: Alar fascia over the danger space • Lateral: Carotid sheath • Danger Space Boundaries • Superior: Skull base • Inferior: Diaphragm • Anterior: Alar fascia and retropharyngeal space • Posterior: Prevertebral fascia and prevertebral space • Lateral: Transverse process of the vertebrae • Prevertebral Space Boundaries • Superior: Clivus of the skull base • Inferior: Coccyx • Anterior: Prevertebral fascia and danger space • Posterior: Vertebral bodies • Lateral: Transverse process of the vertebrae
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