An exophytic skin lesion showing papillary formations of hyperkeratotic and acanthotic stratified squamous epithelium. There are multiple horn pseudocysts. In area, there is a focal ulceration with related collection of fibrin clot entangling many cell debris and degenerated inflammatory cells. denoting crust formation. No evidence of malignancy.
Ulcerating lesion on Rt lateral aspect of nose.
Soft tissue fragment measured 0.6x0.5x0.4 cm, totally embedded.
Rt lateral nasal lesion, biopsy: