Mild encephalopathy with reversible extensive white matter lesions in a child with acute adenoviral infection and a literature review.

Background: Mild encephalopathy with a reversible splenial lesion (MERS) is a known clinical-radiological description. However, MERS with extensive lesions (MERS type-2) is rarely associated with adenovirus. There are only three published cases of MERS type-2 associated with adenovirus infection.