Figure 3: Histopathology from bulla overlying lichen planus lesions revealing. (a) Appearance of subepidermal clefting due to extensive basal cell vacuolation and lymphocytic infi ltrate hugging the epidermis (H and E, ×10) (b) High power view revealing clefting, pigment incontinence and dermal melanophages (H and E, ×40)