What kind of cyst is on my Cat?

Cysts go by several names although the symptoms, diagnosis and treatment is the same: Sebaceous Cysts (epidermal inclusion cysts) – this is the most common type of cyst in cats and appears anywhere on your cat’s body.

What causes lumps on the rear legs of cats?

Rabies and leukemia vaccines are administered in the rear legs, and these vaccines have been linked in rare instances to aggressive tumors called sarcomas. These so-called vaccine associated sarcomas usually appear as firm masses that develop under the skin.

What does a sebaceous cyst look like on a cat?

Sebaceous cysts occasionally break open and ooze a waxy, material that may be light tan to black in color. This sebaceous material looks kind of like cottage cheese and often has a small amount of blood mixed in. Occasionally, a sebaceous cyst can become inflamed after being traumatized.

What should I do if my cat has a lump on his back?

If a lump appears suddenly but doesn’t change, and has a hair growing from its center, it may be a cyst. They can be left alone if they do not repeatedly get infected or bother your cat. If you’re unsure, the safest option is having a vet check on a cyst and determine whether it should be removed. Consider a potential food allergy.

What was the lump on my cat’s back leg?

It was not at the site of the vaccine, it is small intestine large cell lymphosarcoma. I had heard that sarcomas could occur from vaccines but did not know details of how it could develop. This is closing the barn door after the fire, but I will share this with you for anyone else reading this thread:

Is it normal for a cat to have a cyst under its skin?

When you’re cuddling with your cat, you expect to feel soft, smooth fur, not lumps and bumps! It’s alarming to feel unidentified bumps under your cat’s skin. If you’ve been told by your vet your cat has a sebaceous cyst, you may still be a bit confused about what it is and how to treat a sebaceous cyst on a cat.

Where do sebaceous cysts appear on a cat?

Sebaceous cysts can appear anywhere on the body of your cat, but most often occur on their trunk (chest and sides) or legs. These fluid-filled sacs are typically benign, meaning they are not cancerous, and do not cause much physical discomfort to your cat. Sebaceous cysts appear as raised bumps and are soft in feel.

What causes a cyst to stop growing in a cat?

The sac becomes increasingly full of fluid over time. In some cats, the filling of the sac causes the cyst to stop growing. In other animals, the cyst will continue to grow until it ruptures and fluid leaks out.