How spot on are you with diagnosis?

From this week, the app will feature Spot Diagnosis, a new interactive page testing GPs on their ability to recognise and diagnose both common and seldom-seen skin conditions.

iPad-equipped readers will be able to view real case photos to make their determination before being presented with a final diagnosis and advice on treatment.

Spot Diagnosis is an extension of long-running MO column Skin Deep by Dr Ian McColl, a consultant dermatologist at John