Lymph nodes can also enlarge due to cancer in the lymphatic system, such as Hodgkin disease. Sometimes, the lymph nodes themselves can become inflamed and enlarged, a condition called lymphadenitis. Peering inside Daniel's mouth, he saw a white. However, the lymphadenopathy may be generalized, with lymph node enlargement in more than one area, which is typical of a viral illness. under the angles of his jaw, the pads of Peter's fingers found shotty lymph nodes as large as jelly beans. Swollen lymph nodes around the jaw may be due to an infection in the teeth or mouth. The swelling can affect the lymph nodes in the membrane that connects the bowel to the wall around the stomach area, called the mesentery. The node may be tender to touch, and it will be soft and flexible. For example, an infant with a scalp infection may have enlarged lymph nodes at the back of the neck. If lymph nodes around the neck and jaw swell, it may feel like a lump under the chin. Once in the lymph system, cancer cells can move through the lymph vessels to distant parts of the. Since enlarged lymph nodes are often near the source of infection, their location can help determine the cause. For example, breast cancer may spread to the lymph nodes under the arm or near the collarbone. Bacterial infections, such as strep throat caused by the streptococcus bacterium, can also cause lymphadenopathy. Nearly all children will develop lymphadenopathy at some time, as the condition commonly occurs in response to an infection from a virus, such as an upper respiratory infection. As infection-fighting cells and fluid accumulate, the lymph nodes enlarge to many times their normal size. Many young children temporarily develop swollen glands when they have an infection. The lymphatic system is part of the immune system and functions to fight disease and infections.
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