RT Book, Section A1 MA, Lichtman A1 MS, Shafer A1 RE, Felgar A1 N, Wang SR Print(0) ID 1138038260 T1 Mature T-Cell and NK-Cell Lymphomas T2 Lichtman's Atlas of Hematology 2016 YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071602679 LK hemonc.mhmedical.com/content.aspx?aid=1138038260 RD 2024/10/04 AB Graphic Jump LocationView Full Size||Download Slide (.ppt)VII.D.001Anaplastic large cell lymphoma. T-cell type. Lymph node biopsy. H & E. Infiltrate of malignant lymphocytes with multiple nucleoli and sometimes abundant cytoplasm. This lymphoma has a varied morphologic appearance but virtually all cases display a proportion of cells (hallmark cells) with horseshoe nuclei or multiple peripheral nuclei in a wreath shape. The arrow points to an example of a hallmark cell.