Follicular Lymphoma In Situ Presenting as Dermatopathic Lymphadenopathy

Figure 1

(a and b) H&E showing intact lymph node architecture, sinus histiocytosis, and patchy aggregates of melanophages ((a) ×10, (b) ×40). (c and d): Bcl-6 marking the follicular centre cells ((c) ×10, (d) ×40). (e and f): CD10 marking follicular centre cells ((e) ×10, (f) ×40). (g and h) Bcl-2 staining the cells within the germinal centres strongly ((a) ×10, (b) ×40). (i) Low Ki67 intensity. (j) Patchy S100 staining of interfollicular dendritic cells.

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