HPV, the human papilloma virus, is a cause of genital warts and cervical cancer. 人类的乳突淋瘤病毒是导致生殖器和子宫颈瘤的病毒。
Note that the epithelial cells show no atypia and that there is a fine pink collagenous stroma within the papilloma. 值得注意的是上皮细胞未显示异型性且在乳头状瘤有清晰可见的粉红色胶原间质。