Fig. 4.From: Spontaneous regression of breast lymphoproliferative disorders after withdrawal of methotrexate in rheumatoid arthritis patients with Epstein–Barr virus infection: a case report and review of the literatureContrast-enhanced breast magnetic resonance imaging (MRI). a Initial phase of dynamic contrast-enhanced MRI, b Delayed phase of dynamic contrast-enhanced MRI; the contrast effect appeared only on margins and part of the interior, c Fat-suppressed T2 weighted image; the mass showed high signalBack to article page