MULTIPLE SCLEROSIS JOURNAL, vol.18, no.10, pp.1448-1453, 2012 (SCI-Expanded)
Background: Demyelinating lesions over 20 mm in size, referred to as tumefactive demyelinating lesions, can be misdiagnosed as being either a tumor or an abscess. Although some radiological characteristics can help make a differential diagnosis easier, a cerebral biopsy may still be necessary.