This award-winning picture shows a 67-year old man with a squamous cell carcinoma on his thumb. The photo shows the exposed lesion and the swelling caused by the tumour.
This picture was a bronze award winner in the 2009 Institute of Medical Illustrators awards and was taken by Tom Kersey, Royal Gwent Hospital.
This is the tenth in our series of clinical pictures which will be published every week. Click here to see all the pictures.
Thumb carcinoma (credit: Tom Kersey, Royal Gwent Hospital)