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Lymphadenopathy or adenopathy is a disease of the lymph nodes, in which they are abnormal in size or consistency.Lymphadenopathy of an inflammatory type (the most common type) is lymphadenitis, [1] producing swollen or enlarged lymph nodes.
The term lymphadenopathy strictly speaking refers to disease of the lymph nodes, [1] though it is often used to describe the enlargement of the lymph nodes. Similarly, the term lymphadenitis refers to inflammation of a lymph node, but often it is used as a synonym of lymphadenopathy. Cervical lymphadenopathy is a sign or a symptom, not a diagnosis.
Lymphadenitis is an infection of the lymph nodes usually caused by a virus, bacteria or fungi. Symptoms include redness or swelling around the lymph node. [citation needed] Lymphangitis. Lymphangitis is an inflammation of the lymph vessels. Symptoms usually include swelling, redness, warmth, pain or red streaking around the affected area.
A posterior or subscapular group of six or seven glands is placed along the lower margin of the posterior wall of the axilla in the course of the subscapular artery.. The afferents of this group drain the skin and muscles of the lower part of the back of the neck and of the posterior thoracic wall; their efferents pass to the central group of axillary glands.
Generalized lymphadenopathy is swollen lymph glands in many areas of the body. [1]Usually this is in response to a body-wide infectious disease such as influenza and will go away once the person has recovered, but sometimes it can persist long-term, even when there is no obvious cause of disease.
The mean size of an inguinal lymph node, as measured over the short-axis, is approximately 5.4 mm (range 2.1-13.6 mm), with two standard deviations above the mean being 8.8 mm. [5] A size of up to 10 mm is generally regarded as a cut-off value for normal vs abnormal inguinal lymph node size.
A lymph node, or lymph gland, [1] is a kidney-shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels .
Swelling of lymph nodes can range from pea sized to golf ball sized depending on the given condition. A person can have reactive lymph nodes throughout multiple areas of the body which can cause swelling, pain, warmth and tenderness. [medical citation needed]