Koilocytes are abnormal squamous cells that have been infected by human papillomavirus (HPV). They are commonly seen in conditions caused by HPV including low grade squamous intraepithelial lesion (LSIL) and high grade squamous intraepithelial lesion (HSIL). Koilocytes are often observed in tissues, such as the cervix, vagina, penis, anus, and oral cavity, where HPV infections can …
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