Composite Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma and T-Prolymphocytic Leukemia Presenting with Lymphocytosis, Skin Lesions, and Generalized Lymphadenopathy

Figure 5

T-PLL involvement of lymph node (a, b) and skin (c, d). T-cells in the interfollicular areas are positive for TCL1 immunostain ((a), 200X and (b), 500X). T-cell aggregates in the dermis are positive for TCL1 ((c), 100X, (d), 400X). The insets in figure (c) show expression of CD3 (top) and lack of expression of CD20 (bottom) in neoplastic cells.

(a)

(b)

(c)

(d)