Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Cummings > Chapter 106: Malignant Tumors of the Larynx > Flashcards

Chapter 106: Malignant Tumors of the Larynx Flashcards

1
Q

The pattern of spread of tumors within the larynx is guided by:

A
  1. Ligaments
  2. Connective tissue membrane
  3. Major cartilages
  4. Soft tissue spaces
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Supraglottic larynx is derived from the:

A

Buccopharyngeal primordium (3rd and 4th branchial arches)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Glottis and subglottis are derived from the:

A

Tracheobronchial primordium (6th branchial arch—>union of lateral furrows that develop on each side of the tracheobronchial primordium)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Blood supply and drainage

Supraglottis

A

Blood supply and drainage
Superior laryngeal arteries
Deep cervical chain nodes (levels II, III)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Blood supply and drainage

Glottis and subglottis

A

Inferior laryngeal arteries

Prelaryngeal and pretracheal nodes (level VI), before it reaches the deep cervical chain nodes in level IV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Metastasis

Glottis

A

Midline, unilateral, lower metastasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Metastasis

Supraglottis

A

without midline, bilateral, higher metastasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Laryngeal framework

A

3 unpaired cartilages (epiglottis, thyroid, cricoid)

Paired arytenoid cartilages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Superior boundary of the larynx

A

Tip and lateral margin of the epiglottis

Superior edge of the aryepiglottic folds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Anterior boundary of the larynx

A 
Thyrohyoid membrane
Thyroid cartilage in the supraglottis
Thyroid cartilage in the glottis
Cricothyroid membrane
Anterior arch of the cricoid cartilage in the subglottis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Posterior and lateral boundaries of larynx

A

Laryngeal surface of the aryepiglottic folds
Arytenoid cartilages
Interarytenoid space
Posterioe surface of the subglottic space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Posterior and lateral boundaries of larynx

A

Laryngeal surface of the aryepiglottic folds
Arytenoid cartilages
Interarytenoid space
Posterioe surface of the subglottic space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Supraglottis is composed of:

A
  1. Suprahyoid and infrahyoid epiglottis (lingual and laryngeal surface)
  2. Laryngeal surfaces of the aryepiglottic folds
  3. Arytenoids
  4. False vocalcords
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Glottis is composed of:

A
  1. True vocal cords (superior and inferior surfaces)

2. Commisure (anterior and posterior)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Subglottis is composed of:

A
  1. Extends from the inferior limit of the glottis to the inferior edge of the cricoid cartilage
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Mucosal lining

Supraglottis

A

Pseudostratified columnar type

Stratified squamous epithelium (edges of the aryepiglottic folds and the lateral borders of the epiglottis)

17
Q

Mucosal lining

True vocal cords

A

Stratified squamous epithelium covers a three-layered lamina propia composed of superficial, intermediate and deep layers

18
Q

Mucosal lining

Subglottis

A

Pseudostratified columnar epithelium

19
Q

Natural barriers to the spread of tumor

A

Laryngeal cartilages

Hypoepiglottic ligament (provides barrier to spread of tumor to the tongue)

Thyrohyoid membrane

Quadrangular membrane

Conus elasticus

Anterior commisure

Cricothyroid membrane

20
Q

Within the larynx, provide pathways for spread of laryngeal tumors:

A

Preepiglottic space

Paraglottic space

21
Q

Boundaries of PES

Anterior

A

thyroid cartilage, thyrohyoid membrane

22
Q

Boundaries of PES

Superior

A

hyoid bone, hyoepiglottic ligament, valleculae

23
Q

Boundaries of PES

Posterior

A

anterior surface of the epiglottic cartilage, thyroepiglottic ligament

24
Q

Boundaries of PES

Lateral

A

PES is open and continuous with each of the two paraglottic spaces

25
Q

The lymphatics of the PES drain through the:

A

thyrohyoid membrane and spread to lymph nodes on both sides of the neck, primarily in level II and III

26
Q

Boundaries of PGS

Medial (superior to inferior)

A

quadrangular membrane, laryngeal ventricle, conus elasticus

27
Q

Boundaries of PGS

Lateral

A

thyroid cartilage (anterior), mucosa of the medial wall of the piriform sinus (posterior)

28
Q

Boundaries of PGS

Inferolateral

A

cricothyroid membrane

29
Q

Tumor that crosses the ventricle in a vertical direction

A

Transglottic cancer

30
Q

Tumors can become transglottic in 4ways:

A

Crossing the ventricle directly

Crossing at the anterior commisure

Spreading through the paraglottic space

Spreading along the arytenoid cartilage posterior to the ventricle

Cummings (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions