However, it is definitely better to be safe than to be sorry. I doubt that something serious is going on. This can be done easily and with minimal pain in most cases using a technique called aspiration. And, the vet will be able to test the area to determine what is going on. He or she should be able to confirm that the swollen area is, in fact, a lymph node and not some other type of growth. Most of the time, it appears as swollen glands (lymph nodes) that can be seen. I recommend that you have a vet examine your dog. Lymphoma: This form of dog cancer can affect any dog of any breed at any age. What I am going to say next probably won’t surprise you. However, other syndromes (such as Lyme disease and certain systemic fungal infections) also can cause swollen nodes. I am happy to say that five-year-old dogs do not develop cancer often. Several types of cancer can cause one or more nodes to enlarge. Unfortunately, there are more nefarious causes of swollen lymph nodes. Treatment is available to extend the life of a dog. A torn toenail may cause the node behind the knee to swell. Commonly, the first symptoms of lymphoma include swollen lymph nodes (glands) and excessive drinking/peeing. An infected tooth may cause the node under the ear to swell. As well, any sort of trauma or infection can cause enlargement of the nearest node. For instance, as I discussed in a previous post, vaccines often lead to swollen lymph nodes. In many cases, this is normal and no cause for concern. The lymph nodes located in the neck, chest, armpits, groin, and behind the knees are often the most visible and easy to observe. Some of the most noticeable ones are located under the ears, in front of the shoulders, and behind the knees.Īnything that activates the immune system can cause a lymph node to swell. Lymph nodes are located throughout the body. They consist of immune cells surrounded by a capsule. Lymph nodes are part of the immune system.
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