Discoid Lupus Erythematosus (DLE) In Dogs

Discoid lupus erythematosus (DLE) is an autoimmune disease seen in dogs.  It occurs when the dog’s own immune system reacts to free DNA.  It is commonly seen in collies hence the common name ‘collie nose’. People with a background in Latin are probably wondering why the word lupus which is Latin for ‘bite of wolf’ is included …