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 Indian J Med Microbiol  
 

Figure 2: (a) A transverse scalp biopsy from apparently healthy individual showed positive cytokeratin 17 immunostaining with marked intensity in the inner layers (red arrow) of the hair follicle and with moderate intensity in the outer layers (black arrow) of hair follicle (IHC, ×200). (b) A transverse scalp biopsy from nonscarring alopecia showed positive cytokeratin 17 immunostaining with marked intensity in the inner layers (red arrow) of hair follicle and with mild intensity in the outer layers (black arrow) of hair follicle (IHC, ×200). (c) A transverse scalp biopsy of scarring alopecia showed distorted hair follicle and positive cytokeratin 17 immunostaining with very mild intensity in the inner layers (red arrow) of hair follicle while the outer layers (black arrow) of hair follicle were negative and also there are scattered positive cells with mild intensity in the basal layer of epidermis (IHC, ×200)

Figure 2: (a) A transverse scalp biopsy from apparently healthy individual showed positive cytokeratin 17 immunostaining with marked intensity in the inner layers (red arrow) of the hair follicle and with moderate intensity in the outer layers (black arrow) of hair follicle (IHC, ×200). (b) A transverse scalp biopsy from nonscarring alopecia showed positive cytokeratin 17 immunostaining with marked intensity in the inner layers (red arrow) of hair follicle and with mild intensity in the outer layers (black arrow) of hair follicle (IHC, ×200). (c) A transverse scalp biopsy of scarring alopecia showed distorted hair follicle and positive cytokeratin 17 immunostaining with very mild intensity in the inner layers (red arrow) of hair follicle while the outer layers (black arrow) of hair follicle were negative and also there are scattered positive cells with mild intensity in the basal layer of epidermis (IHC, ×200)