Colposcopy is used to evaluate women with genital tract abnormalities and abnormal cervical cytology ... and premalignancy, such as acetowhite changes, abnormal vascular patterns, and failure ...

Diluted acetic acid may need to be reapplied after the endocervical curettage to revisualize areas of acetowhite changes. Lugol's solution is an optional contrast solution that may assist the ...