<unk> 's iodine solution is applied to the cervix under direct vision. Normal cervical mucosa contains glycogen and stains brown, whereas abnormal areas, such as early cervical cancer, do not take up the stain. The abnormal areas can then be biopsied and examined histologically. The composition of<unk> 's iodine is the same as Lugol's iodine, the latter being more concentrated. When<unk> 's iodine is not available, Lugol's iodine can be used as an alternative.<unk>  is not specific for cervical cancer, as areas of inflammation, ulceration and keratosis may also not take up the stain.
Schiller's test
Ober's test
Spurling's test
Jobe's test
Pandy's test
Cozen's test
Elek's test
Schwatrz's test