Reactive mesothelial hyperplasia vs mesothelioma, including mesothelioma in situ: a brief review. Am J Clin Pathol 1998;110:397–404. 25 Husain AN, Colby T, Ordonez N et al. Guidelines for pathologic diagnosis of malignant mesothelioma: 2012 update of the consensus statement from the Interna- ...