Neck lymph nodes are small, bean-shaped defense stations of the immune system spread throughout the neck. A lump you can feel in the neck is very often a natural reaction to a recent throat or dental infection, and it usually settles on its own. Some swellings, however, need a closer look because of their duration, firmness or growth rate; this article explains which situations are expected and which call for an examination.<\/p>\n
Lymph nodes (often called “lymph glands”) are small organs that filter lymph fluid and house germ-fighting white blood cells called lymphocytes. Lymph is a clear fluid collected from the tissues; bacteria, viruses or abnormal cells carried in it are trapped inside the nodes.<\/p>\n
About one third of all the lymph nodes in the body are located in the neck. This is because lymph from the mouth, nose, throat, ears and skin, areas in constant contact with the outside world, drains toward the neck. They are arranged in chains under the jaw, in front of and behind the ears, at the back of the neck, above the collarbone and along the side of the neck next to the carotid artery.<\/p>\n
Doctors divide the neck into zones called “levels” to examine it systematically. Which level contains an enlarged node gives an important clue about the source of the problem. For example, nodes under the jaw may reflect problems in the mouth and teeth, while nodes at the back of the neck may reflect problems in the scalp or the area behind the nose (the nasopharynx).<\/p>\n
A normal lymph node is usually a few millimeters in size and cannot be felt. Nodes larger than about one centimeter are considered enlarged; the medical term for this is lymphadenopathy<\/strong>. It is especially common in children, who catch many upper respiratory infections each year and whose immune systems respond strongly.<\/p>\n Swollen lymph glands in the neck have many causes. Most are harmless and temporary; a smaller share are linked to inflammatory diseases or tumors.<\/p>\n The most common cause is the body’s response to an infection. This type of enlargement is called reactive lymphadenopathy<\/em>. As the node fights germs, its cells multiply and it swells. Common sources of infection include:<\/p>\n Sometimes the node itself becomes infected and pus collects inside it. The swelling then grows quickly, turns red and warm, and becomes clearly painful to the touch. This picture is called suppurative lymphadenitis<\/em> and is seen especially in young children.<\/p>\n Immune system conditions such as rheumatoid arthritis, lupus and sarcoidosis can also enlarge the neck lymph nodes. Rarely, a reaction to certain medications produces a similar picture.<\/p>\n Less often, enlargement signals a tumor, in one of two ways: a cancer in the head and neck region, such as the mouth, tongue, tonsils, larynx (voice box), nasopharynx, thyroid or salivary glands, may spread to a lymph node, or a lymphoma may arise from the lymph tissue itself. In adults, particularly those who smoke or drink alcohol, a neck lump that has not gone away for a long time can occasionally be the first sign of an underlying tumor. For this reason, persistent swellings in adults are evaluated more carefully.<\/p>\n In children, most neck swellings are caused by infections. Still, not every neck lump is a lymph node; congenital structures present from birth, such as a thyroglossal duct cyst or a branchial cleft cyst, can swell during an infection and mimic an enlarged lymph node. This distinction is made through examination and ultrasound.<\/p>\n In young adults, mononucleosis and other viral illnesses predominate. In people over forty, an unexplained swelling lasting more than a few weeks is regarded as a finding that needs further investigation until proven otherwise. Smoking, alcohol and previous head and neck radiation make this assessment even more important.<\/p>\n The most noticeable sign is a round, movable lump in the neck. When an infection is the cause, the lump is usually soft or rubbery, tender to the touch and accompanied by other symptoms of the underlying illness:<\/p>\n These reactive swellings begin to shrink within a few weeks after the infection clears. Complete disappearance can take longer; in children, small, soft, movable nodes often remain palpable for months.<\/p>\n Seeing an ear, nose and throat (ENT) specialist is recommended if any of the following are present:<\/p>\n None of these features on its own means there is a malignant disease, but they do call for an examination and appropriate tests to identify the cause.<\/p>\n The evaluation begins with a detailed history: how long the swelling has been present, whether it is growing, recent infections, smoking and alcohol use, contact with pets and general health.<\/p>\n The neck is then examined by hand, noting the node’s location, size, consistency and mobility. A full ENT examination is essential, because the source is often in the mouth, throat, nasopharynx or larynx; these areas are inspected with endoscopy, using a thin camera.<\/p>\n Patients traveling from abroad are encouraged to bring any previous blood tests, ultrasound or scan reports and images, and a list of their current medications. This helps avoid repeating tests unnecessarily.<\/p>\n Neck ultrasound is the first-choice imaging method for assessing lymph nodes. It uses no radiation, is quick and suits children well. Ultrasound shows the node’s shape, internal structure, blood flow and borders. A normal or reactive node is usually oval with a fatty center (the hilum); nodes that have become round, have lost their hilum or contain cystic areas are examined more closely.<\/p>\n A cell sample can be taken from a suspicious node with a thin needle, usually under ultrasound guidance. Fine-needle aspiration biopsy<\/strong> is done with a local application, takes little time in the clinic and does not interfere with daily life. The cells are examined by a pathologist. In some cases a slightly thicker needle is used to obtain more tissue, a procedure known as a “core biopsy.”<\/p>\n In adults with a long-standing neck swelling, removing the node surgically before a detailed ENT examination and imaging have been completed is generally not recommended. A possible source tumor is investigated first, so that any treatment can be planned correctly from the start.<\/p>\n Treatment depends on the cause. A large share of enlarged neck lymph nodes need no specific treatment at all.<\/p>\n For small, soft, movable nodes thought to be caused by a viral infection, monitoring is usually enough. Check-ups at set intervals show whether the node is shrinking, and unnecessary antibiotics are avoided.<\/p>\n If a bacterial infection is suspected, an appropriate antibiotic is started. A source infection in a tooth, the tonsils or the ear is treated as well. Specific infections such as tuberculosis, and immune system diseases, may require long-term treatment together with the relevant specialties.<\/p>\n Nodes that have filled with pus and do not improve with medication may need to be drained. When a diagnosis cannot be reached, or when lymphoma is suspected, the node is removed whole in a minor operation under general anesthesia and examined. When a malignant tumor has spread to the lymph nodes, options such as a neck dissection<\/em> (the planned removal of lymph nodes in the neck), radiation therapy or chemotherapy are considered together with treatment of the main tumor.<\/p>\n In lymphoma and other diseases of lymph tissue, treatment after diagnosis is usually managed by hematology and oncology teams, so an accurate diagnosis also directs the patient to the right team.<\/p>\n Not every neck lump is a cause for concern; the vast majority are harmless and resolve on their own. Even so, ignoring a persistent swelling for months in the belief that “it will go away anyway” can delay the diagnosis of a serious condition, if one is present.<\/p>\n Points to keep in mind at home:<\/p>\n If a swelling grows rapidly, turns red and becomes increasingly painful, or if high fever or difficulty swallowing or breathing develops, a doctor should be seen without delay. Biopsies are generally safe, but rare side effects such as minor bleeding, bruising or infection can occur.<\/p>\n Swellings caused by an infection usually shrink noticeably within 2-3 weeks after the infection has cleared, although complete disappearance may take longer. Swellings that last longer, do not shrink or keep growing should be examined.<\/p>\n Because nodes enlarged by infection are usually tender, pain often points to an inflammatory cause. A swelling that grows without pain and feels hard and fixed is assessed more carefully. Still, the presence or absence of pain alone does not establish a diagnosis.<\/p>\n Small, soft and movable lymph nodes are very common in children and usually reflect frequent infections. If the child looks well and the nodes are not growing, follow-up is generally enough. A child with rapid growth, fever, weight loss or hard nodes should be examined.<\/p>\n Fine-needle aspiration biopsy is a short procedure that is generally well tolerated. Apart from mild stinging and a small bruise, most patients have no problems and return to daily activities shortly afterward.<\/p>\n Tumors of the head and neck tend to spread to these nodes first. In some patients, a neck lump can therefore be the first sign of a tumor that has not yet caused other symptoms. Early evaluation helps treatment be planned in time.<\/p>\n Op. Dr. Tayfun Demirel, an ENT specialist, evaluates children and adults who come to the practice in Ata\u015fehir, Istanbul, with a neck lump or enlarged lymph nodes, using an ear, nose and throat examination, endoscopic inspection and any necessary tests. The follow-up or treatment plan for the cause of the swelling is tailored individually to each patient’s situation. Please get in touch with the clinic to book an appointment or for more information. This article is for informational purposes only; an in-person examination is required for diagnosis and treatment.<\/p>\n","protected":false},"excerpt":{"rendered":" Neck lymph nodes are small, bean-shaped defense stations of the immune system spread throughout the neck. A lump you can feel in the neck is very often a natural reaction to a recent throat or dental infection, and it usually settles on its own. Some swellings, however, need a closer look because of their duration, […]<\/p>\n","protected":false},"author":1,"featured_media":1275,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-treatments"],"_links":{"self":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/comments?post=1334"}],"version-history":[{"count":1,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1334\/revisions"}],"predecessor-version":[{"id":2174,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1334\/revisions\/2174"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/media\/1275"}],"wp:attachment":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/media?parent=1334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/categories?post=1334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/tags?post=1334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Causes of Enlarged Neck Lymph Nodes<\/h2>\n
Infections<\/h3>\n
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Inflammatory and Immune System Diseases<\/h3>\n
Tumors<\/h3>\n
Differences by Age<\/h3>\n
Symptoms of Swollen Lymph Nodes in the Neck<\/h2>\n
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Which Swellings Need Attention?<\/h3>\n
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How Are Enlarged Neck Lymph Nodes Diagnosed?<\/h2>\n
Ultrasound<\/h3>\n
Fine-Needle Aspiration Biopsy<\/h3>\n
Other Tests<\/h3>\n
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Treatment of Enlarged Neck Lymph Nodes<\/h2>\n
Watchful Follow-Up<\/h3>\n
Medication<\/h3>\n
Surgical Options<\/h3>\n
Possible Risks and Important Considerations<\/h2>\n
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Neck Lymph Nodes: Frequently Asked Questions<\/h2>\n
How long does it take for a swollen lymph node in the neck to go down?<\/h3>\n
Is a swelling that does not hurt more dangerous?<\/h3>\n
My child has pea-sized lumps in the neck. Is that normal?<\/h3>\n
Is a fine-needle biopsy harmful?<\/h3>\n
Why are neck lymph nodes important when cancer is suspected?<\/h3>\n
Conclusion<\/h2>\n