Composite t(14;18)-Negative Follicular Lymphoma and Nodular Lymphocyte-Predominant Hodgkin Lymphoma

Figure 1

NLPHL. (a) H&E staining, low power, showing vague nodular effacement. (b) H&E staining, high power, showing large LP cells (centre arrow) in a background population of small lymphocytes and histiocytes. (c) Immunostaining for EMA showing membrane positivity in LP cells. (d) Immunostaining for PD-1 showing positive membrane staining of T-cell rosettes surrounding LP cells.

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