My dog has a red, sore, bleeding lump. Is it cancer or a cyst?

This may be an abscess, cyst or a tumor. You should have it examined by your veterinarian as tumors should be removed ASAP,. An abscess can usually be treated with antibiotics and/or be lanced, and a cyst can be evacuated. Your vet may want to do a fine needle aspirate (he takes some material from the bump with a needle and then looks at it under the microscope) to determine whether the mass is concerning.

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Piper! The only way we can 100% know for sure a mass isn't cancerous is by either aspirating the mass with a needle or biopsying it. When a mass changes I always recommend that the animal be seen by their Vet to have it checked. The fact the mass opened up dictates the need to have it looked at and a minimum of antibiotics started. Hopefully it is just a ruptured follicular cyst that is infected. But I think you should have the mass removed and biopsied. I am afraid it will not heal well and continually leak bloody fluid. I hope this helps and I wish Piper the best!

Pain and/or changes in behavior are not indications of a cancerous mass (the vast majority of cancerous masses are not painful and do not cause changes in behavior) but it does sound like the mass is bothering (and possibly hurting) Maverick. The only way to know what the mass is and if it is cancerous is to collect a sample of cells to examine under the microscope. Have him examined by the veterinarian within the next 24 hours. if he will wear an elizabethan collar, it will help to protect the mass from further trauma. I hope this helps.

I recommend to take Greta to see her veterinarian. While most skin masses are benign, masses that a red/pink, hairless and raised are a concern for a malignant skin tumor called a Mast Cell tumor. It also appears as though this mass is ulcerated regardless and it needs to be removed. Once masses grow to the point of ulceration, they will heal and break open over and over again which can make them prone to infections not to mention oozing/bleeding. Just like with a human, the doctor will likely take a sample of the mass or remove the mass entirely and microscopically exam it. Thats the only way to know what it is accurately. In the mean time, protect the mass from trauma and wash it daily with an antibacterial hand soap (rinse it well). You can apply a small amount of coconut oil and rub it well into the skin. This may help the wound to heal a little faster. I hope this helps to point you in the right direction. Please feel free to post any further questions!

Without an exam and diagnostics, it is almost impossible to determine if the kump is malignant. Schedule that appointment with your veterinarian. A fine needle aspirate can be done in the clinic to collect samples for pathology. This may provide a diagnosis. Afterwards, you can discuss treatment options with your vet. In the meantime, keep Otis from bothering the area. You can use an e-collar (cone) if necessary.

I hate to hear this is happening to your pup! I recommend to have her examined by the veterinarian. Skin masses can be many things but red raised masses are especially concerning for a skin cancer called a Mast Cell tumor. Your veterinarian will need to collect a sample of cell to examine under the microscope to determine what this is and if further treatment is needed. another common reason for a lesion like this is a foreign object trapped under the skin. Fox tails have a tendency to do this and generally need to be removed and the lesion lanced. Have this checked out soon. Protect the area from licking by having Dog wear an elizabethan collar at all times. I hope this helps.

There are a few possibilities as to what this could be on Ruby. In a younger dog benign masses called histocytomas are possible. These generally regress with time. However, masses like mast cell tumors can also present this way. Mast cell tumors can be problematic and need to be surgically removed. Mast cell tumors also release histamine so please do not continue to try to squeeze this growth. Some other causes of this (although probably less likely) are cysts or infections. I recommend taking Ruby to see your veterinarian so that a sample of cells from the mass can be obtained. This will help in diagnosing the growth and in deciding if it needs to be removed surgically. Thank you for using Petco Pet Education Center, formerly Petcoach and I hope this turns out to be a benign issue for Ruby.