Hemophagocytic Lymphohistiocytosis in Association with Primary Cutaneous Anaplastic Large Cell Lymphoma

Figure 2

Bone marrow aspirate smear (a) showing hypercellularity and increased population of benign histiocytes with evidence of haemophagocytosis (black arrows, 200x). Note the evidence of erythrophagocytosis by the histiocytes (inbox, black arrow, 400x) (May Grunewald Giemsa stain). Bone marrow trephine biopsy section showing increased population of benign histiocytes in the intertrabecular marrow space (b, haematoxylin eosin, 200x). These histiocytes showed engulfed debris and obvious erythrophagocytosis (c, black arrow) (haematoxylin eosin, 400x).

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