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Editor's Correspondence
July 22, 2002

Acute Necrotizing Encephalopathy by Mycoplasma pneumoniae Infection?

Author Affiliations

Copyright 2002 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2002

Arch Intern Med. 2002;162(14):1647. doi:

I read with great interest the case report by Perez and Montes1 in a recent issue of the ARCHIVES, which described a 75-year-old patient with encephalitis and peripheral vasculitis associated with Mycoplasma pneumoniae infection. I found that a striking feature of that patient was the magnetic resonance imaging of the brain, which revealed a right pontine hyperintense lesion and multiple bilateral, symmetrical, periventricular hyperintense lesions on T2-weighted images. This characteristic roentgenographic appearance resembles what is called acute necrotizing encephalopathy.2,3

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