My dog's benign tumor is bursting. Will it go away on its own?

Unfortunately, this is a difficult situation because most tumors that are cancerous and rupture are not going to heal on their own. A double mastectomy will be a very large and could be difficult recovery time for an 11 year old dog. Also, please know that even with surgery, you may not get another 3 years out of her simply because she is already at the top end of her life span. Also, there is always the risk that the cancer has already spread. Another option you may want to talk to your vet about is whether they can just do a palliative "debulking" of the mass that has ruptured. If there is a way to just resect the one tumor that has ruptured, this potentially could give her a good quality of life without doing a full double mastectomy. With the tumor being ruptured, I am afraid you are being forced to either do a debulking surgery, full mastectomy, or euthanasia. Leaving it alone isn't a good option because it won't likely heal on its own and if it isn't already, it will become infected.

That is a very large tumor that has likely outgrown its blood supply and is opening up. You can’t tell what type of tumor it is without aspirating the cells. At this point, the best option is to remove the tumor but it’s so large that this may be difficult but not impossible. I recommend to have this pup seen by the veterinarian as she needs medications to help the bleeding and a mass removal. Best of luck and please feel free to post any additional questions.

While surgical closure may be difficult, surgical excision of a mass, though expectedly benign, is the best recommendations. Prior to surgery, please make sure that your pet has been screened for other tumors or neoplasia with chest x-rays and an abdominal ultrasound. Consultation with a board certified surgeon may be considered.

I am so sorry, but there is nothing you can do at home for this, other than try to keep it clean if it breaks open and bleeds (which it looks like it could do at any time). Short of taking her in, there really just aren’t any options... this would require surgical removal. If she’s comfortable, eating, and happy, it’s not wrong to just love on her for the time she has left and not pursue treating the tumor. Again, I’m sorry I don’t have more options to offer you. Thank you for asking Petco Pet Education Center, formerly Petcoach.

Hi there and thank you for using pet coach to address your concern. What i am seeing in the pictures is likely a sebaceous cyst that ruptured. These are common with older dogs and are benign. When these rupture there is a chance they will become infected so the best treatment is to have it removed to prevent this from happening. I would recommend consulting with your veterinarian about having this removed. I hope this helps! Please let me know if you have any other questions or concerns.

No, in most cases this would not be effective at all and would only increase the risk of infection and other complications. Surgical removal would likely be the best option, if this is feasible given the size and location of the mass.

This looks like a very large tumor that has become necrotic and infected. When a tumor gets this large it starts to outgrow its blood supply and then portions of it die off and becomes necrotic. This tumor needs to be removed because it will not likely heal at this point. I would recommend taking Luigi to the vet as soon as possible to get him scheduled for surgery. Surgery at this age with such a bad infection does have some risks but I believe at this point the benefits of removing the tumor outweigh the risks of anesthesia. Good luck with your little guy.