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  Indian J Med Microbiol
 

Figure 3: Keratin-filled epidermal invagination with rising parakeratotic column (H and E ×40) and inset showing higher magnification of keratin filled epidermal invaginations with irregularly arranged keratinocytes with pyknotic nuclei (H and E ×200)

Figure 3: Keratin-filled epidermal invagination with rising parakeratotic column (H and E ×40) and inset showing higher magnification of keratin filled epidermal invaginations with irregularly arranged keratinocytes with pyknotic nuclei (H and E ×200)