A patient with cognitive and movement complaints 02

Topic: Adult

Created on Tuesday, September 23 2008 by jdmiles

Last modified on Tuesday, September 23 2008.

 
        A) Clinical onset of symptoms usually occurs between 35 and 45 years of age
 
        B) This disorder has a higher prevalence among blacks than among caucasians or asians
 
        C) Clinical onset of symptoms does not occur before age 35
 
        D) Approximately 5% of patients with this disorder attempt suicide
 
        E) Tetrabenazine can delay the progression of this disease
 

 

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This question was created on September 23, 2008 by jdmiles.
This question was last modified on September 23, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Clinical onset of symptoms usually occurs between 35 and 45 years of age

This answer is correct.

This patient has Huntington disease (HD). Symptoms of HD usually begin between 35 and 45 years of age, but cases with onset as early as 2 years and as late as 92 years have been reported.   (See References)

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B) This disorder has a higher prevalence among blacks than among caucasians or asians

This answer is incorrect.

This patient has Huntington disease (HD). Prevalence of HD among caucasians is approximately 10 cases per 100,000. Prevalence is much less in black and Asian populations.   (See References)

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C) Clinical onset of symptoms does not occur before age 35

This answer is incorrect.

This patient has Huntington disease (HD). Symptoms of HD usually begin between 35 and 45 years of age, but cases with onset as early as 2 years and as late as 92 years have been reported.   (See References)

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D) Approximately 5% of patients with this disorder attempt suicide

This answer is incorrect.

This patient has Huntington disease (HD). The suicide rate in HD is estimated to be greater than 10%, and as many as 25% of patients with HD attempt suicide.   (See References)

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E) Tetrabenazine can delay the progression of this disease

This answer is incorrect.

This patient has Huntington disease (HD). There is currently no disease-altering treatment, but the choreiform movements are sometimes alleviated with neuroleptics (e.g., haloperidol) or tetrabenazine.   (See References)

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References:

1. Walker, F.O. (2007). "Huntington's Disease." Semin Neurol, 27(2) 143-50. (PMID:17390259)
2. Walker, F.O. (2007). "Huntington's disease." Lancet, 369(9557) 218-28. (PMID:17240289)
3. Zaidat, O.O., and Lerner, A.J. (2002). The Little Black Book of Neurology, 4th Edition. Mosby, St. Louis (ISBN:0323014151)	Advertising:
4. Bertelson, J.A., and Price, B.H. (2004). Depression and psychosis in neurological practice. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, Fourth Edition. Butterworth Heinemann, Philadelphia, pp. 103-116 (ISBN:0750674695).	Advertising:
5. Shannon, K.M. (2004). Movement disorders. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, Fourth Edition. Butterworth Heinemann, Philadelphia, pp. 2125-2168 (ISBN:0750674695).	Advertising:

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adult
A patient with cognitive and movement complaints 02
Question ID: 010108123
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/23/2008
Modified: 09/23/2008
Estimated Permutations: 49140000