This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
All of the following are premalignant Except 
Select and explain. 
A. Acnitic solar keratosis, B. Bowens disease, C. Giant hairy nevus, D. Rhinophyma
D: Rhinophyma
Answer: D: Rhinophyma 
Explanation: Actinic keratosis is a premalignant keratosis of the lip caused by exposure to solar radiation Most common lower lip. Risk factors include UV light, tobacco, and voriconazole treatmentTreatment -topical agents: 5FU,topical tretinoin ,TCA ,diclofenac gel Vermilionectomy Laser ablation Photodynamic therapy Bowen's disease -SCC in situ occurs in fair-skinned people .Arises from outer toot shear of the hair follicle or epidermal cells of acrotrichium Causes -UV radiation, arsenic exposure, HPV Site-sun exposed or covered .When occurs on gland penis it is called erythroplasia of queyrat. Histopathology shows wind-blown appearance -keratinocytes are atypical with loss of polarity Treatment -5FU 5% Imiquimod 5% Rhinophyma is a benign condition of the nose may occur de novo or after PPR. Also seen to follow actinic damage and in patients with acne vulgaris (Ref: Harrison 20th edition pg 1290