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Neurocutaneous Syndromes 01

Topic: Adult

Created on Saturday, February 17 2007 by jdmiles

Last modified on Saturday, February 17 2007.

Which of the following is characteristically associated with neurofibromatosis type 1?

 
        A) Shagreen patches
 
        B) Paucity or absence of cutaneous lesions
 
        C) Facial angiofibromas
 
        D) Poliosis
 
        E) Seizures
 

 


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This question was created on February 17, 2007 by jdmiles.
This question was last modified on February 17, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) shagreen patches

This answer is incorrect.


Shagreen patches are not characteristic of NF1. They are associated with tuberous sclerosis.   (See References)

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B) paucity or absence of cutaneous lesions

This answer is incorrect.


Cutaneous lesions are characteristic of NF1. Lesions include cafe au lait spots, molluscum fobrosum (cutaneous tumors), and freckling in the axillae and groin. A paucity or absence of cutaneous lesions is typical of neurofibromatosis type 2 (NF2).   (See References)

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C) facial angiofibromas

This answer is incorrect.


Facial angiofibromas are not characteristic of NF1. They are associated with tuberous sclerosis.   (See References)

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D) poliosis

This answer is incorrect.


Poliosis (presence of a small patch of white hair) is not characteristic of NF1. It is associated with tuberous sclerosis.   (See References)

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E) seizures

This answer is correct.


People with NF1 are 20 times more likely to have seizures than people in the general population.   (See References)

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References:

1. Neurofibromatosis Fact Sheet, NINDS. NIH Publication No. 06-2126
2. Victor, M., and Ropper, A.H. (2001). Adams and Victor's Principles of Neurology, 7th Edition. McGraw-Hill, New York. Pp. 1069-1076.
3. Santos, C.C., Miller, V.S., and Roach, E.S. (2004). Neurocutaneous syndromes. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, 4th Edition. Butterworth Heinemann, Philadelphia. Pp. 1867-1900.
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adult
Neurocutaneous Syndromes 01
Question ID: 021707087
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 02/17/2007
Modified: 02/17/2007
Estimated Permutations: 84000

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