Horner's Syndrome

Question 1

What is Horner’s Syndrome

Answer 1

A syndrome caused by interruption of the sympathetic pupillomotor fibres anywhere along their course

Question 2

What signs are present in Horner’s Syndrome

Answer 2

Ptosis
Meiosis
Enophthalmos
Anhidrosis

Question 3

What are some causes of Horner’s Syndrome

Answer 3

Hypothalamic lesions - craniopharyngioma
Brainstem lesions - MS, infarction
Cervical cord lesion - syringomyelia
T1 root lesion - Pancoast tumour, cervical rib
Sympathetic chain - surgical damage in the neck, trauma from a misguided central line

Question 4

What would you expect to find in congenital Horner’s

Answer 4

Iris heterochromia - difference in colour between two eyes as lack of sympathetic stimulation interferes with melanin pigmentation