Spatium Retropharyngeum

Not to be confused with danger space!

Borders

 * Anterior - posterior of pharynx (buccopharyngeal fascia).
 * Posterior - Alar fascia (layer of prevertebral deep cervical fascia).
 * Lateral - Carotid sheath.
 * Superior - Base of skull.
 * Inferior - Superior mediastinum, at the point where alar fascia fuses with buccopharyngeal fascia (at the level of T4, carina).

Related Articles

 * Parapharyngeal Space
 * Spatium Massetericomandibulare and Perimandibular Abscess