Horners Syndrome Flashcards
Features of Horner’s syndrome?
Miosis
Ptosis
Enopththalmos
varying degrees of Anhidrosis (loss of sweating one side)
What is Horner’s syndrome?
Lesion in sympathetic pathway
How can Horner’s syndrome be classified?
Central lesion
Pre-ganglionic
Post-ganglionic
How can you differentiate between different causes of Horner’s?
Heterochromia seen in congenital Horner’s
Degree/location of anhidrosis
Pharamcologic test- apraclonidine drops- causes pupillary dilation in Horner’ and slight constriction in normal pupil
Causes of central lesion causing Horner’s?
Stroke
Syringomyelia
MS
Tumour
Encephalitis
Location of anhidrosis in central lesion Horner’s?
Anhidrosis of face, arm and trunk
Causes of pre-ganglionis lesion causing Horner’s?
Pancoast’s Tumour
Thyroidectomy
Trauma
Cervical rib
Location of anhidrosis in preganglionic lesion?
Anhidrosis of face
Cause of post ganglionic lesion causing Horner’s?
Carotid artery dissection
Carotid aneurysm
Cavernous sinus thrombosis
Cluster headache
Location of anhidrosis in post-ganglionic lesion?
No anhidrosis