horners

Horner's syndrome

see also:

clinical features

classic triad of:
- miosis (constricted pupil)
- partial ptosis
- loss of hemifacial sweating (anhidrosis)
ie. everything gets less or smaller

aetiology

brainstem stroke (CVA)
- lateral medullary syndrome (Wallenberg's):
  - caused by occlusion of vertebral or post inf cerebellar artery
  - ipsilateral:
    - facial numbness
    - limb ataxia
    - Horner's syndrome
    - pain over the eye
  - contralateral:
    - pin prick and temperature loss in arm and leg
  - vertigo, nausea, hiccups, hoarseness, difficulty swallowing & diplopia
migraine
internal carotid artery dissection
carotid artery ischaemia
lesion apex of lung eg. Pancoast tumour
middle cranial fossa neoplasm
lesion of the primary neuron
lesion of the postganglionic neuron
trauma to the brachial plexus

horners.txt · Last modified: 2015/01/05 02:03 (external edit)