Jugular foramen syndromes

Question 1

What bony opening is seen just a slight bit under pars vascularis?

Answer 1

The hypoglossal canal.

Question 2

What passes through the hypoglossal canal?

Answer 2

CN XII

Question 3

What structures passes through foramen jugulare?

Answer 3

• Sigmoid sinus
• CN XI
  *CN X
• CN IX
• inferior petrosal sinus.

Question 4

What structures pass through Pars vascularis of the jugular foramen?

Answer 4

• Sigmoid sinus
• CN XI and X

Question 5

What structures pass through foramen jugulare pars nervosa?

Answer 5

CN IX and inferior petrosal sinus.

Question 6

Cause -Vernet syndrome

Answer 6

Usually intracranial lesion

Question 7

Signs - Vernet syndrome

Answer 7

CN IX, X and XI
* uniltar paralysis of palate, vocal cords, SCM, Trapezius
* Loss of taste 1/3 back of t
* anesthesia soft palate, larynx, pharynx

Question 8

Where - Collet-Sicard syndrom

Answer 8

Lesions outside of skull If inside skull, it would have to be so large that it also produced brainstem long-tract findings.
COndylar, Jefferson, ICA diss, mets Lyme disease

Question 9

What - COllet-Sicard

Answer 9

• CN IX, X, XI AND XII WITHOUT sympatethic involvement.

Question 10

Where? Villaret syndrome

Answer 10

Posterior retropharyngeal syndrome - syndrome of the posterior retroparotid space.

Question 11

How? Villaret syndrome

Answer 11

Collet Sicard + Horner syndrome