There are 486 questions on various topics in Neurology in the FrontalCortex neurology question bank.

Dementia 02

Topic: Imaging

Created on Thursday, February 22 2007 by jdmiles

Last modified on Thursday, February 22 2007.

A 73 year-old female presents to your office accompanied by her daughter, who provides most of the history.
The daughter states that for the past 4 years, the patient has been increasingly forgetful, has been seeing people in the room that nobody else sees, lost his balance a few times, has complained of rigidity, developed a tremor, and occasionally will stare off into space for long periods of time.
Which of the following pathology findings is MOST characteristic of this patient's disease?

A) Neuronal aggregates

B) Lesions in the mammillary bodies

C) Bunina bodies

D) Inclusions comprised primarily of alpha-synuclein

E) Neurofibrillary tangles,

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This question was created on February 22, 2007 by jdmiles.
This question was last modified on February 22, 2007.

ANSWERS AND EXPLANATIONS

A) neuronal aggregates

This answer is incorrect.

This patient's history is consistent with dementia with Lewy bodies (DLB). Patients with DLB develop Parkinsonian symptoms and dementia symptoms at approximately the same time. Other key clinical features include recurrent visual hallucinations and fluctuations in mental status. Neuronal aggregates and Bunina bodies are seen in amyotrophic lateral sclerosis. (See References)

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B) lesions in the mammillary bodies

This answer is incorrect.

This patient's history is consistent with dementia with Lewy bodies (DLB). Patients with DLB develop Parkinsonian symptoms and dementia symptoms at approximately the same time. Other key clinical features include recurrent visual hallucinations and fluctuations in mental status. Lesions in the mammillary bodies are seen in Korsakoff amnestic state. (See References)

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C) Bunina bodies

This answer is incorrect.

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D) inclusions comprised primarily of alpha-synuclein

This answer is correct.

This patient's history is consistent with dementia with Lewy bodies (DLB). Patients with DLB develop Parkinsonian symptoms and dementia symptoms at approximately the same time. Other key clinical features include recurrent visual hallucinations and fluctuations in mental status. Lewy bodies are eosinophilic cytoplasmic inclusions which contain alpha-synuclein. (See References)

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E) neurofibrillary tangles,

This answer is incorrect.

This patient's history is consistent with dementia with Lewy bodies (DLB). Patients with DLB develop Parkinsonian symptoms and dementia symptoms at approximately the same time. Other key clinical features include recurrent visual hallucinations and fluctuations in mental status. Neurofibrillary tangles tend to be sparse in DLB. Neurofibrillary are more commonly associated with Alzheimer disease. (See References)

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References:

1. Victor, M., and Ropper, A.H. (2001). Adams and Victor's Principles of Neurology, 7th Edition. McGraw-Hill, New York.
2. DeKosky, S.T., Kaufer, D.I., and Lopez, O.L. (2004). The Dementias. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, 4th Edition. Butterworth Heinemann, Philadelphia. Pp. 1901-1951
3. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier, Philadelphia.

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imaging
Dementia 02
Question ID: 02220701
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 02/22/2007
Modified: 02/22/2007
Estimated Permutations: 0