To investigate how t(11;18)(q21;q21)-positive gastrointestinal MALT lymphomas relate to other marginal zone lymphomas with respect to the somatic mutation pattern of the V(H) genes and the expression of the marker CD27.
Xavier Sagaert, Vera Vanhentenrijk, Gert De Hertogh, Karel Geboes, Thomas Tousseyn, Department of Morphology and Molecular Pathology, University Hospitals Leuven, 3000 Leuven, Belgium.