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Figure 4: Histopathology of porokeratosis of Mibelli of arm: column of cornoid lamella with absent granular layer beneath and lymphocytic infiltrate in upper dermis. (H and E, 40)

Figure 4: Histopathology of porokeratosis of Mibelli of arm: column of cornoid lamella with absent granular layer beneath and lymphocytic infiltrate in upper dermis. (H and E, 40)