This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Female genital Tract, Subject name: Pathology
A 25-year-old woman has cauliflower shaped perineal lesions that are diagnosed as condyloma acuminatum. The etiologic agent is 
Select and explain. 
A. HSV., B. Treponema pallidum., C. Haemophilus ducreyi., D. HPV.
D: HPV.
Answer: D: HPV. 
Explanation: Condyloma acuminatum is a nonmalignant neoplastic-like papillomatous condition that affects epithelium of the perineal, vulval, perianal and vaginal regions. It is caused by HPV (most often HPV 6 and 11). Given histopathological slide is showing Condyloma acuminatum Acanthosis and koilocytosis of squamous epithelium. Branching villous structure Genital herpes is usually caused by HSV type 2. T. pallidum is a spirochete and the etiologic agent of syphilis. H. ducreyi causes chancroid, a painful, erosive, chancre-like lesion.