Cervical Cytology
Squamous carcinoma of the cervix, cervical intraepithelial neoplasia (CIN) and atypical squamous cells of undetermined significance (ASCUS)
 
CIN 1 (LSIL) Slight nuclear enlargement and abundant cytoplasm. Nuclei vary in size and shape. Note highly keratinised cytoplasm suggestive of HPV infection although koilocytes are not shown in this field.