<prompt> A 26-year-old male kidney transplant recipient. Multiple brown keratotic papules are seen on the forehead and scalp. Which of the following is the common cause?HPV subtype 6, 11HPV subtype 2, 4HPV subtype 3, 10HPV subtype 16, 18  <response>: Ans. c. HPV subtype 3, 10Types of wartsCommentsHPV subtypesDeep plantar wart myrmecia wartsPainful, keratotic with central depression1Superficial plantar wart mosaic wartsPainless, multiple, confluent2Plane warts verruca planaFlat, smooth, common in children, site face3, 10Common warts verruca vulgarisMost common, singlemultiple irregular verrucous papules variant: periungual warts which may distort nails2 4Epidermodysplasia verruciformis2 types of lesions plane wart like and pityriasis versicolor like. May develop malignancy in sun-exposed parts Inherited: Autosomal recessive5, 8Anogenital wartsSexually transmitted6 11 low oncogenic potentialAs here the patient is suffering from verruca plana P3, so ans is C3,10. 