HPV, the human papilloma virus, is a cause of genital warts and cervical cancer. 人類的乳突淋瘤病毒是導致生殖器和子宮頸瘤的病毒。
Note that the epithelial cells show no atypia and that there is a fine pink collagenous stroma within the papilloma. 值得注意的是上皮細胞未顯示異型性且在乳頭狀瘤有清晰可見的粉紅色膠原間質。