Figure 2: Histopathologic appearance before and after treatment. (a and b) Before treatment, the epidermis showed eczematous changes consisting of follicular plugs, parakeratosis, edema, acanthosis. The dermis showed marked telangiectasia and vascular dilatation of the small vessels with perivascular infiltration of histiocytes, lymphocytes, and plasma cells. (H and E, ×40, 100). (c and d) After LLLT, healing of epidermis and reduction in dermal infillrates. (H and E, ×40, 100)



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