This award-winning picture shows a 62-year old patient who had a cyst on the corner of the left eye.
This picture was a bronze award winner in the 2009 Institute of Medical Illustrators awards and was taken by Claire Thompson at Perth Royal Infirmary in Scotland.
This is the twelth in our series of clinical pictures which will be published every week. Click here to see all the pictures.
Cyst on the corner of the eye