Peripheral Nerve Entraptments

Topic:

Created on Saturday, November 20 2010 by chaman

Last modified on Saturday, November 20 2010.

 
        A) F5 Ulnar digital sensory branch
 
        B) Median Palmer Nerve
 
        C) Dorsal Ulnar Cutaneous Nerve (DUC)
 
        D) Radial Sensory Nerve at Thumb
 
        E) Lateral Antibrachial Nerve
 

 

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This question was created on November 20, 2010 by chaman.
This question was last modified on November 20, 2010.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) F5 Ulnar digital sensory branch

This answer is incorrect.

Though its branch of Ulnar nerve but it should not be preserved in Guyon's Canal at wrist as it emerges after the ulnar nerve enters the Guyon's Canal that is ulnar nerve entrapment site at wrist hence it would be involved in Guyon's Canal Syndrome which is ulnar neuropathy at wrist.  (See References)

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B) Median Palmer Nerve

This answer is incorrect.

Its mixed branch of median nerve and Not involved in Guyon's Canal Syndrome which is ulnar neuropathy at wrist.  (See References)

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C) Dorsal Ulnar Cutaneous Nerve (DUC)

This answer is correct.

The dorsal ulnar cutaneous nerve (DUC) is a cutaneous branch of the lnar nerve which is given before the ulnar nerve enters into the Guyon's Canal so its preserved in this ulnar neruopathy at wrist.  (See References)

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D) Radial Sensory Nerve at Thumb

This answer is incorrect.

Its cutaneous branch of Radial nerve & Not involved in Guyon's Canal Syndrome which is ulnar neuropathy at wrist.  (See References)

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E) Lateral Antibrachial Nerve

This answer is incorrect.

Its cutaneous branch of musculocuatneous nerve and Not involved in Guyon's Canal Syndrome which is ulnar neuropathy at wrist.  (See References)

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References:

1. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia. (ISBN:075067492X)	Advertising:
2. David C. Preston, Barbara E. Shapiro; [foreword by John J. Kelly, Jr.]. Electromyography and neuromuscular disorders: clinical-electrophysiologic correlations. Philadelphia : Elsevier Butterworth-Heinemann, c2005. (ISBN:075067492X)	Advertising:

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Peripheral Nerve Entraptments
Question ID: 112010125
Question written by chaman. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/20/2010
Modified: 11/20/2010
Estimated Permutations: 120