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Neuro-ophthalmology Question of the Week: Anisocoria Causes

November 16, 2016 By

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Question: Which of the following may cause anisocoria?

1. Normal physiology
2. A deficit of sympathetic innervation
3. A deficit of parasympathetic innervation
4. 3rd nerve paresis
5. Trauma
6. Congenital anomalies
7. Pharmacologic agents
8. Exposure to plant material

Neuro-ophthalmology Questions of the Week: Anisocoria-Horner Syndrome Value of Imaging

October 12, 2016 By

Questions:

  1. When the etiology of Horner syndrome is not known at the initial neuro-ophthalmologic examination, but sufficient information is obtained to allow targeted imaging, how often is an etiology discovered?
    a. In about 90%
    b. In about 60%
    c. In about 30%
    d. In about 10%
  1. When the etiology of Horner syndrome is not known at the initial neuro-ophthalmologic examination, and sufficient information is not obtained to allow targeted imaging, how often is an etiology discovered?
    a. In about 90%
    b. In about 60%
    c. In about 30%
    d. In about 10%
  1. What are the two most common causes of Horner syndrome when the cause is not known at the time of presentation and clinical information is sufficient to permit a inferred targeted imaging evaluation?
    a. Apical lung malignancy
    b. Carotid artery dissection
    c. Cavernous sinus lesion
    d. Thyroid malignancy