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Embryological Development

Question
19 out of 71
 

About laryngomalacia, all are true except: (LQ)



A MC neonatal respiratory lesion

B Decreased symptoms during prone position

C Self-limiting by 2-3 years of age

D Omega-shaped epiglottis seen

E Surgery is treatment of choice

Ans. B and E. Decreased symptoms during prone position and Surgery is treatment of choice

Ref. Dhingra 5th/ed p 314; Current Otolaryngology 2nd/ed p 462; Mohan p 514

Option

Correct/ Incorrect

Reference

Explanation

Option a

M/C neonatal respiratory lesion

Not sure

Current 2nd/ed p 462

Laryngomalacia is the most common cause of stridor in infants and is also the most common congenital laryngeal abnormality but whether it is M/c neonatal respiratory lesion is not sure.

Contd..

Option b

Decreased symptoms during prone position

Incorrect

Current Otolaryn-gology 2nd/ ed p 462; Dhingra 5th/ed p 314, 6th/ed p 295

- Stridor in laryngomalacia is intermittent & not constant.

- It is worse during sleep or when patient

is in supine position

It is improved in - prone position

Optionc

Self limiting by 2-3 years of age

Correct

Dhingra 5th/ed p 314; Current Otolaryngology 2nd/ed p 462

"It manifests at birth or soon after and usually disappears by 2 years of age"

- Dhingra 5th/ed p 314, 6th/ed p 295

Option d-

Omega shaped epiglottis seen

Correct

Dhingra 5th/ed p 314, 6th/ed p 295; Current Otolaryngology 2nd/ ed p462

On direct laryngoscopy

- Epiglottis is omega shaped

- Aryepiglottic folds- floppy

- Arytenoids – prominent

Treatment is mostly conservative Surgery is required in only 10% cases Indications of surgery

Option e

Surgery is T/t of choice

Incorrect

Dhingra 5th/ed p 314, 6th/ed p 295; Current Otolaryngology 2nd/ ed p 462

- Severe stridor

- Apnea

- Failure to thrive

- Pulmonary hypertension

- Corpulmonale

Embryological Development Flashcard List

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