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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Semin Diagn Pathol. 2017 Nov 3;35(1):20–33. doi: 10.1053/j.semdp.2017.11.002

Figure 1. (A) Sinus histiocytosis.

Figure 1

Lymph node sinuses are dilated and filled with benign-appearing histiocytes. (B–C) Hemophagocytic lymphohistiocytosis: (B) Histiocytes in the lymph node sinuses show prominent hemophagocytosis, (C) which can be highlighted using histiocytic markers (CD4 in image).