My older dog Dirtnap has a small tumor on his head. It is kind of gross at first. I was mortified by it when I discovered it. He was given to me recently so I don't know how long he's had it.
The growth looks like little balls clumped together. He's and Eskimo Spitz so his hair hides it mostly. However, it does bleed some and crusts up. That is when it shows through the most. It also gets a waxy build up on it as well. Yuck!
The good news is that the Vet told me it is a "OLD AGE SPOT"!!! I thought it was cancerous and wanted to put the poor thing to sleep! I renamed him Dirtnap so I wouldn't get attached if the Vet had said it was cancer!
Now that I am used to the growth it doesn't bother me as much. I try to keep it clean and remove any debris. Many people never notice it.
Dirtnap is doing great!!! He's got arthritis, cataracts, and mostly deaf. Now that he is with me he acts like a puppy!!! I did get attached and now call him Smiley Boy because of his bright smile!!!
Just try to keep the growth clean. Put some septic powder or cornstarch if it bleeds. The vet told me the growth could be removed by a groomer if I chose. I kind of think it adds character now that I know it is like having an age spot. Good luck!!!