Ucsf: Video E 45 Part 1 Head And Neck

Front 1

What are the infrahyoid neck spaces

Back 1

Front 2

What are the 8 suprahyoid neck spaces

Back 2

pharngeal space
masticator space
carotid space
parapharyngeal space
parotid space
retropharyngeal space
perivetebral space
deep (posterior) cervical space

Front 3

What muscles form the pharynx

Back 3

the constrictor muscles

Front 4

What percent of tumors of the head and neck are Squamous cell carcinoma

Back 4

95%

Front 5

What are the two main categories of neck spaces

Back 5

suprahyoid and infrahyoid

Front 6

What are the two components of the perivetebral space

Back 6

prevetebral part
paraspinal part

Front 7

Where does the pharynx hang down from

Back 7

the skull base

Front 8

Where is the hypopharynx

Back 8

the level of the hyoid bone down to the esophagus

Front 9

Where is the larnyx

Back 9

the level of the hyoid bone (more anteriorly) to the level of the trachea

Front 10

What determines the deeps spaces of the neck

Back 10

the deep cervical fascia

Front 11

How many layers of deep cervical fascia are there

Back 11

3

superficial
middle
deep

Front 12

What layer of deep cervical facia surrounds the pharynx

Back 12

the middle

Front 13

What are the 4 anterior spaces of the suprahyoid neck

Back 13

masticator space
parotid space
carotid space
parapharyngeal space

Front 14

What determines the masticator space

Back 14

the superficial layer of DCF

Front 15

In the coronal image where is the most cephalad part of the superificial masticator space

Back 15

all the way up along the temporalis muscle

Front 16

What muscle does masticator space contain
4

Back 16

medial pterygoid
lateral pterygoid
masstator
temporalis

Front 17

What is the attachments of the lateral pterygoid

Back 17

condyle of the mandible and the disc of the TMJ

Front 18

What are the contents of the masticator space

Back 18

muscle, mandible (bone and teeth)
Cranial nerve 5v3 (mandibular division of trigeminal nerve)

Front 19

What is the mc source of any mass in the masticator space

Back 19

teeth (dental infection)

Front 20

What is the foramen that CN5v3 goes throught

Back 20

foramen ovale

Front 21

What layer is the parotid space defined by

Back 21

the superficial layer of deep cervical fascia

Front 22

What is the most superior aspect of the parotid space on coronal images

Back 22

the skull base

Front 23

What is contained with in the parotid space

Back 23

salivary gland
lymph nodes (lymphoma, Squamous cell carcinoma)
CN 7

Front 24

What is a potential complication of a tumor of the parotid space

Back 24

tumor invading the temporal bone by crawling along the temporal bone

Front 25

What layers of deep cervical fascia make up the carotid space
3

Back 25

superficial
middle
deep

Front 26

What are the contents of the carotid space
4

Back 26

carotid artery (carotid body)
jugular vein
CN 9 - 12
nodes (around it not really with in the sheath)

Front 27

What are the 4 anterior neck spaces

Back 27

masticator space
carotid space
parotid space
parapharyngeal space

Front 28

What layers comprise the parapharyngeal space

Back 28

superficial
middle
deep

Front 29

What does the parapharyngeal space look like

Back 29

a triangle of fat that is medial to the masticator space

Front 30

What is contained within the masticator space

Back 30

fat

Front 31

Why is the parapharyngeal space so useful

Back 31

the direction of displacement will indicate what space is being affected

Front 32

What direction does a mass of the masticator space push the PPS

Back 32

posterior medial

Front 33

What direction does a mass of the parotid space push the PPS

Back 33

Anterior medial

Front 34

What direction does a mass of the Carotid space push the PPS

Back 34

anterior lateral

Front 35

What direction does a mass of the pharngeal space push the PPS

Back 35

posterior lateral

Front 36

What space does the facial nerve run through

Back 36

the parotid space

Front 37

What space does V3 of the trigeminal run through

Back 37

Masticator space

Front 38

What are the 3 posterior neck spaces

Back 38

perivetebral space
retropharyngeal space
posterior cervical space

Front 39

What layer of DSF surrounds the perivetebral space

Back 39

deep layer

Front 40

What are the muscles that are most anterior portion of the perivetebral space

Back 40

longus coli and longus capitis

Front 41

What muscles are located posteriorly in the perivetebral space

Back 41

the paraspinous muscles

Front 42

What are the contents of the perivetebral space

Back 42

vetebrae
disk
paraspinous muscles
prevetebral muscles (longus colli and capitus)
nerves

Front 43

What is the ddx of disease of the perivetebral space

Back 43

vetebral body pathology-- mets, osteomyelitis
disc- discitis
muscle-sarcomas
nerves- nerve sheath tumors

Front 44

Where is the retropharyngeal space in relation to the periveterbral space

Back 44

anterior

Front 45

What layers of the deep cervical fascia make up the retropharyngeal space

Back 45

middle and deep DCF

Front 46

What is the name of the sleeves that are lateral to the retropharyngeal fascia and are part of the deep DCF

Back 46

alar fascia (covers the lateral aspect of the retropharyngeal space

Front 47

What occupies the retropharnygeal space
2

Back 47

nodes and fat

Front 48

Where is the posterior cervical space

Back 48

fatty space down the posterior aspect of the neck between the SCM and the paraspinous muscles

Front 49

What is contained in the posterior cervical space

Back 49

nodes
fat
CN 11

Front 50

What do the nodes of the posterior cervical space typically drain

Back 50

scalp lesions

Front 51

What are the 5 regions of the pharynx

Back 51

nasopharynx
oropharnyx
oral cavity
hypopharynx
larynx