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  Indian J Med Microbiol
 

Figure 2: Skin biopsy (a, H and E, ×100) showed collections of atypical T cells within and surrounding follicular epithelium. Immunohistochemically, those cells were positive for (b) CD4+ and loss of CD7 expression (not shown). After bath psoralen plus ultraviolet A, epidermoid cyst-like appearance and fibrosis were encountered (c, H and E, ×100).

Figure 2: Skin biopsy (a, H and E, ×100) showed collections of atypical T cells within and surrounding follicular epithelium. Immunohistochemically, those cells were positive for (b) CD4<sup>+</sup> and loss of CD7 expression (not shown). After bath psoralen plus ultraviolet A, epidermoid cyst-like appearance and fibrosis were encountered (c, H and E, ×100).