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Old 07-20-2011
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Question Unsteady Gait and VDRL Positive!

A 53-year-old man is referred to you by his neurologist, who reports that this patient has had a 1-year history of unsteady gait, gradually worsening vision, paresthesias, and diminished sensation to light touch. VDRL and FTA-ABS are both positive. Which of the following accounts for this process?
A. Intrasynaptic acetylcholine degradation
B. Ventral column demyelination
C. Dorsal column demyelination
D. False positive serum test results
E. Presynaptic acetylcholine degradation
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Old 07-21-2011
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c.. tabes dorsalis acts on both dorsal colum and dorsal root
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Old 07-21-2011
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C. Dorsal column demyelination
VDRL and FTA-ABS are both positive-activ 3 syphilis infection
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Old 07-21-2011
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Originally Posted by dr.Irina View Post
C. Dorsal column demyelination
VDRL and FTA-ABS are both positive-activ 3 syphilis infection
Ya i agree its c
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Positive VDRL and FTA-ABS is strongly indicative of syphilis. A false-positive result is suggested by VDRL(+) and FTA(-): FTA is more specific than VDRL. In the setting of syphilis, the presented set of symptoms is consistent with tabes dorsalis, a chronic demyelination of the dorsal (posterior) spinal cord.
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Tags
Microbiology-, Nervous-System-, Neuroanatomy-, Pathology-, Step-1-Questions

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