Erdheim-Chester Disease Associated with Marginal Zone Lymphoma and Monoclonal Proteinemia
Figure 2
Gross and microscopic appearance of heart. Cross-section of heart, left, demonstrating extensive tan-yellow marbling of the myocardium due to infiltration by histiocytes. Microscopic appearance of heart, right. There was dense proliferation of histiocytes within the myocardium similar to that seen in the lymph node. Hematoxylin and eosin, 100x magnification.