1 Central (first order neuron) Horner's 1.4. · 2 Preganglionic (second order neuron) Horner's 1.4. · 3 Third order neuron or postganglionic lesion ...
... perspectives. Sivashakthi Kanagalingam1,2,3 and Neil R Miller1,2,3
Associated arm pain, hand weakness, history of neck surgery, or neck trauma suggest a second-order Horner syndrome (Figure 23-1).
abnormality involving the second-order neu- ron (Fig. I) as it exits the spinal cord. Anatomic and Radiographic. Features. The most cost ...
Upper-lid ptosis in Horner is always less than 1 to 2 mm, and lower-lid or “upside down” ...
Horner's Syndrome (due to Cluster Headache): 46 year-old male
Horner's Syndrome (due to Cluster Headache): 46 year-old male
Other causes of anisocoria and ptosis are reviewed separately.
At this level, it synapses with the second-order neuron whose
Horner syndrome (Horner's syndrome or oculosympathetic paresis) results