Figure 2. Immunofluorescence-Stained Lesional Specimens From Case 1.
Immunofluorescence staining reveals T cells (CD3+, green) and human leukocyte antigen class II (HLA II)+ antigen-presenting cells (HLA II+, magenta) infiltrating refractory extramammary Paget disease lesional specimens before (A) and after (B) 9 weeks (3 cycles) of combination fluorouracil and calcipotriene therapy.