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  Indian J Med Microbiol
 

Figure 4: Hematoxylin and eosin stain (×40) showed hyperkeratosis, mild acanthosis, and follicular plugging. Dense perifollicular lichenoid inflammation is present, with vacuolar change of outer root sheath and occasional necrotic keratinocytes. Interfollicular epidermis is spared. Deep dermis shows perifollicular lamellar fibroplasia, collapsed fibrous sheaths, and reduction in hair follicular number

Figure 4: Hematoxylin and eosin stain (×40) showed hyperkeratosis, mild acanthosis, and follicular plugging. Dense perifollicular lichenoid inflammation is present, with vacuolar change of outer root sheath and occasional necrotic keratinocytes. Interfollicular epidermis is spared. Deep dermis shows perifollicular lamellar fibroplasia, collapsed fibrous sheaths, and reduction in hair follicular number