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For example, posterior auricular adenopathy suggests rubella, whereas unilateral anterior auricular adenopathy is associated with lesions of the conjunctiva and eyelids with the resultant oculoglandular syndrome seen in trachoma, tularemia, cat-scratch fever, tuberculosis, syphilis, epidemic keratoconjunctivitis, and outbreaks of adenovirus type 3 pharyngoconjunctival fever. In the absence of generalized adenopathy, enlargement of specific cervical lymph node groups can be helpful diagnostically. Starting from the top of the neck and going down, all of the various cervical lymph node chains should be evaluated including the preauricular, posterior auricular, occipital, superior cervical, posterior cervical, submaxillary, submental, inferior deep cervical, and supraclavicular, as noted in Figure 149.1. The examiner's right hand explores the left side of the patient's neck and then the left hand of the examiner explores the right side of the patient's neck. For an examination of lymph nodes of the neck, the patient either sits or stands facing the examiner. Palpate in a systematic fashion, encompassing all accessible lymph nodes. Begin with a visual inspection of the area, looking for asymmetry or erythema. All major lymph node chains should be evaluated in a systematic fashion. The extent and location of lymphadenopathy are important in determining and providing diagnostic clues to the cause of lymphadenopathy. Matted nodes or nodes fixed to underlying structures should raise the question of malignancy or infection freely movable nodes are more likely to occur in benign conditions. Tender nodes are suggestive of an inflammatory process. Enlarged lymph nodes that have an irregular shape and a rubbery, hard consistency may be infiltrated by malignant cells. Lymph nodes that are smooth and relatively soft, but slightly enlarged, may be normal and reveal only hyperplasia when biopsied. Particular attention should be directed to the size, shape, and consistency of enlarged nodes. The significance ofenlarged cervical lymph nodes in diagnosing thyroid cancer.In searching for lymph nodes, one must be gentle otherwise, lymph nodes that are only minimally enlarged or embedded in tissue may not be apparent. Unexplained lymphadenopathy:Evaluation and differential diagnosis. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. More often than not, swollen lymph nodes are just part and parcel of the lymphatic system doing its job. It may also indicate cancer, but this is far less common. Lymphadenopathy can also occur in the lymph nodes located inside the chest and abdominal cavities.Ĭervical lymph node swelling can be a reliable indicator of infection or other inflammation in the area. Other sites where lymph nodes commonly swell include the underarm and groin. This is because the infection near the neck is filtered through the lymph nodes in the neck, which leads to swelling. Since lymphadenopathy tends to occur in one area of nodes at a time, it’s common for infections in or around the neck to trigger cervical lymph swelling. Many things can cause cervical lymph node swelling, including: ![]() Generally, swollen cervical lymph nodes are nonthreatening. It can occur in reaction to infection, injury, or cancer. This common occurrence is referred to as lymphadenopathy. Sometimes the lymph nodes in your neck, as well as other parts of your body, can swell. What causes swollen cervical lymph nodes? |
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