Wallenberg Syndrome 1
Topic: Behavior
Created on Sunday, September 17 2006 by jdmiles
Last modified on Sunday, November 16 2008.
A famous elderly, retired model presents to the E.R. She had no neurologic defecits prior to this morning, when she awoke to several new symptoms, the most concerning to her of which are changes in the way her face looks, as shown in the image above.
She has smoked 4 packs of cigarettes per day for the past 68 years. She is overweight, has sleep apnea, and a recent LDL cholesterol level was 469 mg/dL. She has diabetes mellitus, and a recent hemoglobin A1C was 8. She has a history of poorly controlled hypertension. She is noncompliant with the medications prescribed to her for these conditions.
History and physical exam reveal new onset of loss of gustation, paresthesias on the left side of the face, anhidrosis in the left face, vertigo, lateropulsion to the left, loss of pain and temperature sensation in the right side of the body, oscillopsia, nausea and vomiting, vertical diplopia, loss of pain and temperature sensation in the left face, dysphagia, diminished gag reflex, nystagmus, and ataxia on the left.
Of the following choices, which ONE other finding would you MOST expect to see in this patient?
This question was created on September 17, 2006 by jdmiles.
This question was last modified on November 16, 2008.
ANSWERS AND EXPLANATIONS
A) narcolepsy
This answer is incorrect.
Narcolepsy is not a component of the lateral medullary (Wallenberg) syndrome, and would not be expected from a lesion of the lateral medulla. (
See References)
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B) Todd’s paralysis
This answer is incorrect.
Todd’s paralysis is not a component of the lateral medullary (Wallenberg) syndrome, and would not be expected from a lesion of the lateral medulla. (
See References)
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C) Dawson’s fingers
This answer is incorrect.
Dawson’s fingers is not a component of the lateral medullary (Wallenberg) syndrome, and would not be expected from a lesion of the lateral medulla. (
See References)
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D) finger agnosia
This answer is incorrect.
Finger agnosia is not a component of the lateral medullary (Wallenberg) syndrome, and would not be expected from a lesion of the lateral medulla. (
See References)
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E) hoarseness
This answer is correct.
This patient presents with history and physical findings consistent with a stroke in the lateral medulla (Wallenberg syndrome). Her findings are consistent with infarction on the left side of the medulla. A stroke in this location will cause damage to the vestibular nuclei, spinothalamic tract, descending sympathetic fibers, descending fibers of cranial nerves IX and X, and cerebellar tracts including the inferior cerebellar peduncle.
Damage to these structures produces a predictable constellation of symptoms, including nystagmus, vertigo, oscillopsia, nausea and vomiting, loss of pain and temperature in the contralateral half of the body, loss of pain and temperature sensation in the ipsilateral face, an ipsilateral Horner's syndrome (as shown in the image), hoarseness and dysphagia, ataxia, and ipsilateral lateropulsion.
You could expect to see hoarseness in this patient. (
See References)
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References:
| 1. Zaidat, O.O., and Lerner, A.J. (2002). The Little Black Book of Neurology, 4th Edition. Mosby, St. Louis. (ISBN:0323014151) | Advertising:
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| 2. Victor, M., and Ropper, A.H. (2001). Adams and Victor's Principles of Neurology, 7th Edition. McGraw-Hill, New York. (ISBN:0070674973) | Advertising:
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behavior
Wallenberg Syndrome 1
Question ID: 69171
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/17/2006
Modified: 11/16/2008
Estimated Permutations: 0
