You may then develop swollen lymph glands in various parts of the body such as the neck, armpit and groins. Viral infections such as flu (influenza), chickenpox or glandular fever (infectious mononucleosis) affect the whole body.Infections of the leg or genitals, or nappy rash, may cause lymph glands in the groin to swell.Skin infections of the arm may cause lymph glands in the armpit to swell.Scalp skin conditions or even head lice may cause the lymph glands at the back of the head to swell. One or more neck lymph nodes often enlarge in response to an upper respiratory infection, throat infection, or dental infection.Throat infections, tonsillitis, the common cold (one type of upper respiratory infection) and tooth-related infections may cause lymph glands in the neck to swell. However, physicians may become concerned if your lymph node stays swollen for more than 4 weeks. Examples of infections include the following: Typically, lymph nodes stay swollen for about 2 weeks or so. Tender, swollen lymph glands are usually a sign that your body is fighting off an infection. It can take a week or so for them gradually to go back to normal after the infection. The lymph glands usually go back to their normal pea size when the infection is over. In children, infection is the most common cause of neck lumps, So before an imaging test is done, children are usually first given antibiotics to see if the lumps go away.The lymph glands near to an infection swell quickly and become tender as the immune system 'fights off' infecting germs (bacteria, viruses, etc). read more is preferred for children to avoid radiation exposure and may be used in adults if doctors suspect a thyroid mass. Ultrasonography Ultrasonography Ultrasonography is a type of medical imaging that uses high-frequency sound (ultrasound) waves to produce images of internal organs and other tissues. read more (CT) or magnetic resonance imaging Magnetic Resonance Imaging (MRI) Magnetic resonance imaging (MRI) is a type of medical imaging that uses a strong magnetic field and very high frequency radio waves to produce highly detailed images. Tests often include blood tests and computed tomography Computed Tomography (CT) Computed tomography (CT) is a type of medical imaging that combines a series of x-rays to create cross-sectional, detailed images of internal structures. For older people, particularly those with warning signs or risk factors for cancer, doctors often do several tests to look for a source of cancer before they remove a piece of the lump (a needle biopsy) or the entire lump for testing (an excisional biopsy). If younger people have no risk factors for cancer or findings that suggest cancer (such as mouth growths), imaging tests are often done, sometimes followed by biopsy. X-rays may be used alone (conventional x-ray imaging) or combined with. Most other people should have a complete blood count (CBC) and a chest x-ray X-Rays X-rays are a type of medical imaging that use very low-dose radiation waves to take pictures of bones and soft tissues. In such infections, the infected nodes are quite tender to the touch. The glands on either side of the neck, under the jaw, or behind the ears commonly swell when you have a cold or sore throat. This species of bacteria normally resides in the crevices between the teeth and gums. read more, and actinomycosis Actinomycosis Actinomycosis is a chronic infection caused mainly by the anaerobic bacteria Actinomyces israelii. Infection occurs when people unknowingly ingest toxoplasma cysts from cat feces or eat contaminated meat. read more, toxoplasmosis Toxoplasmosis Toxoplasmosis is infection caused by the protozoan parasite Toxoplasma gondii. These infection include cat-scratch disease Cat-Scratch Disease Cat-scratch disease is infection caused by the gram-negative bacteria Bartonella henselae and transmitted by a scratch or bite from an infected cat, often causing a crusted bump and swollen. (See also Overview of Bacterial Skin Infections.) Lymph is a fluid that oozes out of the body's. In the case of cancer, besides surgical removal of the primary tumor and any metastases, the surrounding lymph nodes need to be removed too, as there is a high possibility that they also contain tumor cells. Sometimes bacteria can directly infect a lymph node (called lymphadenitis Lymphadenitis Lymphadenitis is infection of one or more lymph nodes, which usually become swollen and tender. The procedure of lymph node removal depends on the underlying disease as well as on the localization of the affected lymph nodes.
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