This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Pathology
Predisposing factor for carcinoma vulva is all Except 
Select and explain. 
A. Smoking, B. HPV, C. Fibroepithelial polyp, D. Leukoplakia
C: Fibroepithelial polyp
Answer: C: Fibroepithelial polyp 
Explanation: The etiologic role of ceain viruses in carcinogenesis, paicularly high-risk HPV types 16 and 18, in these sites is well documented. Mention has already been made about the preceding stage of vulval epithelial disorders, paicularly squamous hyperplasia, in the development of these lesions. Ref: HARSH MOHAN TEXTBOOK OF PATHOLOGY 6th Ed. Pg no:723