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  2. Danger space - Wikipedia

    en.wikipedia.org/wiki/Danger_space

    The danger space or alar space, is a region of the neck. [1] The common name originates from the risk that an infection in this space can spread directly to the thorax , and, due to being a space continuous on the left and right, can furthermore allow infection to spread easily to either side.

  3. Retropharyngeal abscess - Wikipedia

    en.wikipedia.org/wiki/Retropharyngeal_abscess

    [4] X-ray of the neck often (80% of the time) shows swelling of the retropharyngeal space in affected individuals. If the retropharyngeal space is more than half of the size of the C2 vertebra, it may indicate retropharyngeal abscess. [5]

  4. Retropharyngeal space - Wikipedia

    en.wikipedia.org/wiki/Retropharyngeal_space

    The retropharyngeal space (abbreviated as "RPS" [1] [2]) is a potential space [2] [3] and deep compartment of the head and neck [1] situated posterior to the pharynx. [4] The RPS is bounded anteriorly by the buccopharyngeal fascia , posteriorly by the alar fascia , and laterally by the carotid sheath .

  5. Fascial spaces of the head and neck - Wikipedia

    en.wikipedia.org/wiki/Fascial_spaces_of_the_head...

    Fascial spaces (also termed fascial tissue spaces [1] or tissue spaces [2]) are potential spaces that exist between the fasciae and underlying organs and other tissues. [3] In health, these spaces do not exist; they are only created by pathology, e.g. the spread of pus or cellulitis in an infection.

  6. Retrovisceral space - Wikipedia

    en.wikipedia.org/wiki/Retrovisceral_space

    The retrovisceral space is divided into the retropharyngeal space and the danger space by the alar fascia. It is of particular clinical importance because it is a main route by which oropharyngeal infections can spread into the mediastinum. Some sources say the retrovisceral space is the same as the retropharyngeal space. [1]

  7. Alar fascia - Wikipedia

    en.wikipedia.org/wiki/Alar_fascia

    The authors revealed that the alar fascia originated as a well defined midline structure at the level of C1 and does not reach the base of the skull. It is suggested that the area between C1 and the base of the skull is a potential entry into the danger space. [4]

  8. Category:Human head and neck - Wikipedia

    en.wikipedia.org/wiki/Category:Human_head_and_neck

    Retropharyngeal abscess; Retrovisceral space; ... This page was last edited on 4 ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...

  9. Carotid sheath - Wikipedia

    en.wikipedia.org/wiki/Carotid_sheath

    The carotid sheath is situated at each lateral boundary of the retropharyngeal space, [3] deep to the sternocleidomastoid muscle. [ 2 ] : 579 [ 3 ] [ 2 ] The pharynx is situated medial to the carotid sheath, (in the suprahyoid region) the parotid gland laterally to it, in the suprahyoid region the infratemporal fossa anterior to it, and the ...