Services and treatments at The Lister Hospital


Clinical Department



DySIS colposcopy is a detailed examination of the cervix (the neck of the womb).

Colposcopy is usually performed if you've had an abnormal cervical screening test (also sometimes known as a smear test). In rare cases, abnormal cervical cells can become cancerous, so a cervical screening test helps to ensure that any cell changes are diagnosed and, if necessary, treated as soon as possible.

DySIS (Dynamic Spectral Imaging System) colposcopy is a high performance imaging system designed specifically to provide your clinician with advanced information about the cells that cover the delicate lining of the cervix, and to ensure you get the highest standard of care.

It uses colour to highlight suspicious cells, and risk of abnormality. The results are seen on a screen which will assist the clinician in making a diagnosis.

During a colposcopy, DySIS does not touch your body, or go inside it, and the procedure should not cause you any pain or discomfort. The clinician carrying out the colposcopy procedure with DySIS will look at the cervix on a screen and DySIS will assist them in a diagnosis.

The DySIS colposcopy examination will take about three minutes when you will be asked to remain as still as possible.


Outpatient department opening hours:

Monday - Friday: 8.00am – 8.00pm


A consultant will need to refer you for a colposcopy. 

To book an appointment at either The Lister Hospital or Chelsea Outpatient Centre call 020 7881 2004.




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