Current concepts on cutaneous MALT lymphomas

Concepts on cutaneous mucosa-associated lymphoid tissue lymphomas have been one of the most evolving areas of interest in dermatopathology in the past few decades. Researchers not only have modified the classification of such entities from the old concept of immunocytoma but have also developed a better understanding about how such lymphomas evolve from a chronic stimulating environment and about their associated genetic alterations. Because the latest advances point to the existence of several types of cutaneous mucosa-associated lymphoid tissue lymphomas, we believe that clarity about the concepts on marginal-zone cells can only contribute to the understanding of this fascinating type of lymphoma.