Horner's syndrome

Question 1

Name 2 features of Horner’s syndrome

Answer 1

• Miosis (pupil constriction)
• Ptosis (drooping eyelid)
• Enophthalmos (sunken eye)
• Anhidrosis (loss of sweating)

Question 2

What causes Horner’s syndrome?

Answer 2

Interruption of the sympathetic nerve supply to the face

Question 3

Name 2 causes

Answer 3

• Pancoast tumour that affects sympathetic supply
• Stroke
• Carotid artery dissection

Question 4

Does Horner’s syndrome present on the same side as the location of the pathology or the contralateral side?

Answer 4

Same side

Question 5

As well as Horner’s syndrome, name another condition that would cause a discrepancy in pupil size

Answer 5

• Anisocoria
• Holmes-Adie pupil (pathological pupil bigger)
• Argyll Robertson pupil (pathological pupil smaller and irregular in tertiary syphylis)