44. Major Fascial Spaces of the Neck

Question 1

Answer 1

1. Danger space
2. Retropharyngeal space
3. Pretracheal spac

Question 2

Borders of retropharyngeal space

Answer 2

Sup - Base of skull

Ant - Buccopharyngeal fascia (posterior wall of pharynx)

Lat

• Sagittal septum (superiorly)
• Carotid sheath (inferiorly)

Post - Alar fascia

Inf - continuous to posterior mediastinum

Question 3

Contents of retropharyngeal space

Answer 3

Contents - Retropharyngeal lymph nodes & connective tissue

Question 4

Borders of parapharyngeal space

Answer 4

Anterior - posterior wall of pharynx

Lateral

• Sagittal septum (separating retropharyngeal and parapharyngeal spaces)
• Styloid muscles (separate parapharyngeal space and parotid nest)

Posterior - prevertebral fascia

Question 5

Contents of parapharyngeal space (4 nerves + 1 a. + 1 v.)

Answer 5

• CN IX (glossopharyngeal nerve)
• Vagus n.
• Accessory n
• Cervical sympathetic trunk (superior cervical ganglion)
• Internal carotid artery
• Internal jugular vein

Question 6

What is Waldeyer’s ring?

Answer 6

The lymphoid tissue in the pharyngeal aponeurosis aggregates in some areas forming tonsils

• One nasopharyngeal tonsil
• Two palatine tonsils
• Two lingual tonsils
• Two tubal tonsils

Question 7

Which structures pass through piriform recess?

Answer 7

Inferior thyroid artery
Recurrent laryngeal nerve

Internal laryngeal nerve???