Fig. 10
From: Primary thymus tumors: retrospective case analysis at a reference center in Latin America, 2011–2019
a, b, c H&E staining, magnification of 4x, 10x and 20x, showing an encapsulated mesenchymal lesion were the mature adipose tissue predominates. There is thymic tissue, composed by cortex and medulla with Hassall corpuscles. With immunohistochemistry, there is expression in thymic lymphocytes for CD3, CD4, CD5, CD8, TdT and BCL2 (there is no expression for CD15 or CD20). It was diagnosed as a capped thymolipoma