lucky_doc
Forum Junior
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A 45 yo patient with a newly diagnosed brain tumor presents with a speech impediment. He is not able to repeat anything that is said to him or name objects. However, has preserved fluency of speech and good comprehension of spoken and written language. He has no other symptoms or neurologic deficits, and his neurological exam is otherwise unremarkable. What is the likely diagnosis?
A Broca's aphasia
B Conduction aphasia
C Global aphasia
D Transcortical sensory aphasia
E Wernicke's aphasia
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| kpmle2
Forum Elite
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B Conduction aphasia
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| Korotkoff
Forum Senior
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I will go for B
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| grechita12
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B
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| arlete
Intern in 2009!!!!!
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D
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| Korotkoff
Forum Senior
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Repetition abilities are intact in Transcortical sensory aphasia.
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| mildus
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b
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| drshvetasm
Forum Elite
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B
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| mildus
Forum Guru
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Transcortical aphasia have preserved repetitive speech as main characteristic, thus it can't be D.
It is B:
understanding preserved=Wernicke not damaged,
fluency of speech preserved=Broca not damaged,
but he can't repeat since there is damage of arcuate fascicle which connects Wernicke and Broca and therefore his normal understanding can't be correctly transmitted to healthy Broca.
One of caracteristics of conduction aphasia is therefore paraphasia/paragraphia, e.g. he says donato instead of tomato, then he tries to correct it (since he understands) and will say domato until he reaches tomato (this shows that transmittion from Wernicke to Broca is impaired)
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| robin082006
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Good explanation mildus
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| lucky_doc
Forum Junior
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The answer is B Conduction aphasia!!!! lesion in the Arcuate fasciculus 
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