Chapter 109 : Conservation Laryngeal Surgery

Question 1

This is the basic functional unit of the larynx

Answer 1

Cricoarytenoid unit

Question 2

Identify what are the parts/components of the cricoarytenoid unit

Answer 2

1. arytenoid
2. cricoid
3. associated musculature
4. superior laryngeal nerves
5. recurrent laryngeal nerves

Question 3

what is the term when there is confirmed mobility of the vocal fold in whats seems to be an arytenoid fixation from a supraglottic cancer?

Answer 3

Pseudofixation

Question 4

This conservation laryngeal surgery technique involves a horizontal entry into the laryngeal lumen

Answer 4

horizontal partial laryngectomies

Question 5

Which two cartilages are important to be preserved in conservation laryngeal surgery?

Answer 5

cricoid and arytenoid

Question 6

What laryngeal nerve/s are to be preserved during conservation laryngeal surgery?

Answer 6

Superior laryngeal and recurrent laryngeal nerves

Question 7

Is involvement of the a contraindication in Supraglottic laryngectomy?

Answer 7

No

Question 8

How much of the tongue base should be left if tongue base resection will be included in supraglottic laryngectomy?

Answer 8

1 cm posterior to the circumvallate papillae

Question 9

Contraindication in supracricoid laryngectomy is subglottic tumor extension of greater than ____mm anteriorly and ____mm posteriorly

Answer 9

10, 5

Question 10

TRUE/FALSE: Swallowing should be started early on while tracheostomy is in place after conservation laryngeal surgery

Answer 10

FALSE: Tracheostomy has been removed, stoma is closed and can swallow saliva

Question 11

Give a principle of organ-preservation surgery (out of 4) that helps provide consistent oncologic and functional outcomes

Answer 11

1. local control
2. accurate assessment of the three-dimensional extent of tumor
3. the cricoarytenoid unit as the basic functional unit of the larynx
4. resection of normal tissue to achieve an expected functional outcome

Question 12

The overall health of the candidates for a conservation laryngeal procedure must be assessed, because patients must tolerate some degree of aspiration in the postoperative period. How do can this be assessed?

Answer 12

if a patient is active in daily life and can walk up two flights of stairs without being winded, he or she

may be a candidate for a conservation laryngeal procedure