What causes swollen popliteal lymph nodes?

What causes swollen popliteal lymph nodes?

An infection, especially a viral infection such as a run-of-the-mill cold, is the most common cause of swollen lymph nodes. 1 Other causes of swollen lymph nodes include: Strep throat. Mononucleosis.

What causes lymph nodes to get infected?

When lymph nodes become infected, they usually increase in size, become tender, and may be felt in other areas of your body during a physical exam. Infections that spread to lymph nodes are usually caused by bacteria, a virus, or a fungus.

What infections cause lymph nodes to swell?

Causes of swollen lymph nodes

  • ear infection.
  • sinus infection.
  • the flu.
  • strep throat.
  • mononucleosis (mono)
  • tooth infection, included an abscessed tooth.
  • skin infection.
  • HIV.

What causes swollen leg lymph nodes?

Lymphedema refers to tissue swelling caused by an accumulation of protein-rich fluid that’s usually drained through the body’s lymphatic system. It most commonly affects the arms or legs, but can also occur in the chest wall, abdomen, neck and genitals. Lymph nodes are an important part of your lymphatic system.

What does the popliteal lymph node do?

Popliteal lymph nodes are deep structures encountered under the investing fascia of the leg, and they receive the lymphatic drainage of the deep structures of the distal leg and foot. Although infrequent, the lymphatic drainage from the skin is direct to these lymph nodes in some individuals.

What drains to popliteal lymph nodes?

They drain lymph from superficial lymphatic vessels, which accompany the small saphenous vein, as well as, deep areas of the leg and foot. Rarely they also drain the overlying skin. They drain into the deep and superficial inguinal lymph nodes.

Is a lymph node infection serious?

No, swollen lymph nodes aren’t fatal. Alone, they’re simply a sign that your immune system is fighting an infection or illness. However, in rare cases, swollen lymph nodes can point to serious conditions, such as cancer of the lymphatic system (lymphoma), which could potentially be fatal.

Can a bacterial infection cause lymph nodes to swell?

Swollen lymph nodes usually occur as a result of infection from bacteria or viruses. Rarely, swollen lymph nodes are caused by cancer. Your lymph nodes, also called lymph glands, play a vital role in your body’s ability to fight off infections.

Where do you feel popliteal lymph nodes?

It can be found just deep to the popliteal fascia and drains the saphenous vein territory e.g. the superficial regions of the lateral leg and the sole of the foot. A second node lies between the popliteal artery and the dorsal aspect of the knee joint.