<prompt> Dyskeratosis is feature of all except:Squamous cell carcinomaBowens disease andDariers diseaseLichen planus  <response>: Dyskeratosis - Abnormality in the process of epidermal cell keratinization. Dyskeratosis occurs in two main contexts Malignant and premalignant epithelial lesions: Squamous cell carcinoma Bowens disease Pagets disease and Solar keratosis. Benign Acantholytic disorder Dariers disease. In Dariers disease, specific types of dyskeratotic cell include corps ronds in lower epidermis and corp grains upper epidermis 