Imaging Of The Neck

Question 1

Border of the anterior triangle

Answer 1

S - inferior of the mandible
L - medial border of the SCM
M - midline of the neck

Question 2

Boundaries of the carotid artery

Answer 2

S - posterior digastric muscle
L - medial border SCM
I - superior belly omohyoid

Question 3

What are the contents of the carotid triangle

Answer 3

Common carotid artery
Internal jugular vein
Hypoglossal and vagus nerve

Question 4

Borders of the muscular triangle

Answer 4

S-hyoid bone
M - midline of neck
SL - omohyoid
IL - SCM

Question 5

Contents of the muscular triangle

Answer 5

Infrahyoid strap muscles
Pharynx
Thyroid gland
Parathyroid gland

Question 6

Submandibular border

Answer 6

S - body of mandible
A - anterior digastric
P - posterior digastric

Question 7

Contents of the submandibular triangle

Answer 7

Submandibular gland
Submandibular lymph nodes
Facial artery and vein

Question 8

This forms the base of the submental triangle

Answer 8

Mylohoid musclest

Question 9

Muscle content of posterior triangle

Answer 9

Omohyoid inferior belly
Vertebral muscle
Splenius capitis
Levator scapulae
Scalene muscles

Question 10

Nerve content of the posterior triangle

Answer 10

Accessory nerve cn 11
Cervical plexus
Phrenic nerve
Brachial plexus

Question 11

What crosses the occipital triangle

Answer 11

Accessory nerve

Question 12

Complete cartilagenous ring

Thicker and taller posteriorly

Answer 12

Cricoid bone

Question 13

Considered as the danger space

Answer 13

Retropharyngeal space

Question 14

Lymphatic tissue of PMS

Answer 14

Waldeyer lymphatic ring

Question 15

Remains inside the middle layer

Inflammatory septa evident

< 30yr old

Lymphoma

Answer 15

Lymphoid hyperplasia

Question 16

Notochordal remnant

Midline NP in PMS

Answer 16

Tornwaldt cyst

Question 17

From minor salivary glands in PMS
Soft palate most common location
Well circumscribed enhancing mass

Answer 17

Benign Mixed Tumor

Question 18

Invasive mass into deep space

Answer 18

SCCA

Question 19

PPS lesion that infects PMS

Answer 19

Waldeyer’s ring

Question 20

PPS lesion that infects the masticator space

Answer 20

Odontogenic infection

Question 21

What is the equivalent portion of the suprazygomatic MS

Answer 21

Temporal fossa

Question 22

what are important features of the MS

Answer 22

Perineural tumor
Enter inferior alveolar nerve
Leaves via mandibular nerve

Key mechanism of intracranial spread

Question 23

Hypertrophy of the MS

Answer 23

Noctural teeth grinding

Tmj syndrome

Question 24

Molar tooth origin

First sign is trismus

Answer 24

Odontogenic abscess

Question 25

Direct invasion of a small cell carcinoma in the masticator space

Answer 25

retromolar trigone

Faucial tonsil

Question 26

Parotid space lesion
Dict stenosis
Inflamed cheek

Answer 26

Parotiditis

Question 27

Seen in adult px
Common tumor of PS
Well circumscribed with uniform C+ when SMALL
Become lobulated with mixed when LARGE

Answer 27

Pleomorphic adenoma

Question 28

2nd most common tumor for PS

Seen in smokers

Answer 28

Warthin’s tumor

Question 29

Invasive and common malignant

Glandular ductal epithelium

Answer 29

Mucoepidermoid Cancer

Question 30

Invasive tumor that arises from peripheral ductal epithelium

Answer 30

Adenoid cystic cancer

Question 31

Also known as the retrostyloid parapharyngeal space

Answer 31

Carotid space

Question 32

Arises from schwann cells of vagus nerve
Enhancing fusiform mass
Intramural cyst is common

Answer 32

Vagal schwannoma

Question 33

Important of the RPS

Answer 33

Infection conduit between neck and mediastinum

Subclinical nodes

Question 34

Home of the SCC

Answer 34

PMS

Question 35

Home of sarcomas

V3 perineural spread

Answer 35

Masticator space

Question 36

Vertebral body serves as disease nidus

Answer 36

PVS