Zunaira saleh2 days ago

Typical appearance of a verruca.

The histologic features include papillomatosis, acanthosis, hyperkeratosis with parakeratosis and elongated rete ridges appearing to point towards the centre. Foci of vacuolated cells (koilocytes) are found in the upper stratum malpighii. Inset shows koilocytes and virus-infected keratinocytes containing prominent keratohyaline granules.