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51 Cards in this Set
- Front
- Back
What are the infrahyoid neck spaces
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What are the 8 suprahyoid neck spaces
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pharngeal space
masticator space carotid space parapharyngeal space parotid space retropharyngeal space perivetebral space deep (posterior) cervical space |
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What muscles form the pharynx
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the constrictor muscles
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What percent of tumors of the head and neck are Squamous cell carcinoma
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95%
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What are the two main categories of neck spaces
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suprahyoid and infrahyoid
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What are the two components of the perivetebral space
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prevetebral part
paraspinal part |
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Where does the pharynx hang down from
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the skull base
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Where is the hypopharynx
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the level of the hyoid bone down to the esophagus
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Where is the larnyx
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the level of the hyoid bone (more anteriorly) to the level of the trachea
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What determines the deeps spaces of the neck
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the deep cervical fascia
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How many layers of deep cervical fascia are there
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3
superficial middle deep |
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What layer of deep cervical facia surrounds the pharynx
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the middle
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What are the 4 anterior spaces of the suprahyoid neck
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masticator space
parotid space carotid space parapharyngeal space |
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What determines the masticator space
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the superficial layer of DCF
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In the coronal image where is the most cephalad part of the superificial masticator space
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all the way up along the temporalis muscle
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What muscle does masticator space contain
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medial pterygoid
lateral pterygoid masstator temporalis |
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What is the attachments of the lateral pterygoid
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condyle of the mandible and the disc of the TMJ
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What are the contents of the masticator space
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muscle, mandible (bone and teeth)
Cranial nerve 5v3 (mandibular division of trigeminal nerve) |
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What is the mc source of any mass in the masticator space
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teeth (dental infection)
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What is the foramen that CN5v3 goes throught
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foramen ovale
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What layer is the parotid space defined by
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the superficial layer of deep cervical fascia
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What is the most superior aspect of the parotid space on coronal images
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the skull base
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What is contained with in the parotid space
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salivary gland
lymph nodes (lymphoma, Squamous cell carcinoma) CN 7 |
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What is a potential complication of a tumor of the parotid space
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tumor invading the temporal bone by crawling along the temporal bone
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What layers of deep cervical fascia make up the carotid space
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superficial
middle deep |
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What are the contents of the carotid space
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carotid artery (carotid body)
jugular vein CN 9 - 12 nodes (around it not really with in the sheath) |
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What are the 4 anterior neck spaces
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masticator space
carotid space parotid space parapharyngeal space |
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What layers comprise the parapharyngeal space
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superficial
middle deep |
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What does the parapharyngeal space look like
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a triangle of fat that is medial to the masticator space
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What is contained within the masticator space
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fat
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Why is the parapharyngeal space so useful
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the direction of displacement will indicate what space is being affected
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What direction does a mass of the masticator space push the PPS
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posterior medial
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What direction does a mass of the parotid space push the PPS
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Anterior medial
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What direction does a mass of the Carotid space push the PPS
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anterior lateral
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What direction does a mass of the pharngeal space push the PPS
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posterior lateral
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What space does the facial nerve run through
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the parotid space
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What space does V3 of the trigeminal run through
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Masticator space
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What are the 3 posterior neck spaces
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perivetebral space
retropharyngeal space posterior cervical space |
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What layer of DSF surrounds the perivetebral space
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deep layer
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What are the muscles that are most anterior portion of the perivetebral space
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longus coli and longus capitis
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What muscles are located posteriorly in the perivetebral space
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the paraspinous muscles
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What are the contents of the perivetebral space
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vetebrae
disk paraspinous muscles prevetebral muscles (longus colli and capitus) nerves |
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What is the ddx of disease of the perivetebral space
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vetebral body pathology-- mets, osteomyelitis
disc- discitis muscle-sarcomas nerves- nerve sheath tumors |
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Where is the retropharyngeal space in relation to the periveterbral space
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anterior
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What layers of the deep cervical fascia make up the retropharyngeal space
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middle and deep DCF
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What is the name of the sleeves that are lateral to the retropharyngeal fascia and are part of the deep DCF
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alar fascia (covers the lateral aspect of the retropharyngeal space
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What occupies the retropharnygeal space
2 |
nodes and fat
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Where is the posterior cervical space
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fatty space down the posterior aspect of the neck between the SCM and the paraspinous muscles
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What is contained in the posterior cervical space
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nodes
fat CN 11 |
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What do the nodes of the posterior cervical space typically drain
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scalp lesions
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What are the 5 regions of the pharynx
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nasopharynx
oropharnyx oral cavity hypopharynx larynx |