Not listed in all skin books and not many pics , i'm often surprised by how few 'young vets' do not recognise the condition.

Nearly always dobermans but any bignoses can. Trick is always tell the client it will get worse before it get better and may reach the face, then bang it with marb, the affected area may slough.

This image was first uploaded Dec 9 2009, 2009, re-uploaded Nov 26 2018 after site upgrade.