Windblown Appearance

A descriptive term for the enlarged, crowded, haphazardly arranged hyperchromatic, irregular nuclei in the epithelium of Bowen’s disease and bowenoid papulosis of the genitalia. The cells are pleomorphic, dyskeratotic and multinucleated with atypical mitotic figures, acanthosis, and parakeratosis
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Histopathology of Bowen's Disease shows complete disarray of keratinocytes in the epidermis, with crowded atypical keratinocytes, large, multilobulated, hyperchromatic nuclei, and atypical mitoses, giving a windblown appearance.