He is having trouble repeating long, complex sentences but can repeat short, simple sentences and single words

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Submitted by webadmi on Tue, 11/13/2012 - 10:22
The patient is 78 years old and has had a 3-year gradual progression of memory loss, anomia (problems with word-finding). You find that he is having trouble repeating long, complex sentences but can repeat short, simple sentences and single words. Which is the most likely diagnosis?