Lymph node degeneration

Introduction In people's lives, people often have a cold or other infection, neck, ear, armpit or groin can appear as a nodule of glass sphere size, local redness and tenderness, according to the hard, this is suffering from lymphadenitis. Lymphitis caused by bacteria invading the lymph nodes along the lymphatic vessels. However, not everyone will develop lymphadenitis when they encounter bacterial infections. This disease is only likely to occur when the body's resistance is reduced. Long-term malnutrition, anemia, and other chronic diseases can cause lymphadenitis after infection with bacteria. The bacteria that cause this disease are often Staphylococcus aureus and hemolytic streptococcus.

Cause

Various odontogenic infections, inflammation of the jaws, infections and ulcers of the oral mucosa, infections of tonsillitis and pharyngitis, ears, nose, throat, eyes and parotid glands. Bacteria invade the lymph nodes along the lymphatic vessels, causing inflammatory reactions such as redness, heat and pain in the local lymph nodes, and induce lymphitis. Prolonged lesions can lead to deterioration of lymph node function.

Various systemic diseases can also cause lymphadenitis, such as tumors, tuberculosis, etc., and diseases of the immune system are also likely to cause lymphadenitis.

an examination

Related inspection

Blood routine lymphocyte lymphocyte ratio (LY%)

1. Application of lymphatic angiography, X-ray examination or isotope examination can help differential diagnosis of lymphadenopathy.

2. Laboratory, blood routine see leukocytosis.

3. The sputum or sinus endocrine secretions can be detected by smear or concentration method to detect tubercle bacilli.

Differential diagnosis

Tuberculous lymphadenitis has fever, sweating, fatigue, and increased blood sedimentation, which is more common in young adults. Often accompanied by tuberculosis, the lymph nodes are uneven in texture, some are lighter (cheese-like), some are hard (fibrosis or calcification), and adhere to each other, and adhere to the skin, so the activity is poor. This type of patient is tuberculin test and blood tuberculosis antibody positive. Pay attention to the identification of the following diseases:

Malignant lymphoma: also seen in any age group, its lymphadenopathy is often painless, progressive swelling, from large soybeans to jujube, medium hardness. Generally, it has no adhesion to the skin, and does not fuse with each other in the first and middle stages. In the later stage, the lymph nodes can grow to a large size, and can also be fused into a large piece, the diameter of which is more than 20cm, invading the skin, and it will not heal after rupture. In addition, it can invade the mediastinum, liver, spleen and other organs, including the lungs, digestive tract, bones, skin, breast, nervous system and so on. The diagnosis requires a biopsy. Clinically, malignant lymphoma is often misdiagnosed, with superficial lymph node enlargement as the first manifestation, 70% to 80% of patients diagnosed with lymphadenitis or lymph node tuberculosis at the time of initial diagnosis, resulting in delay in treatment.

Giant lymph node hyperplasia: a rare disease that is easily misdiagnosed. Often manifested as unexplained lymphadenopathy, mainly invading the chest, with the most mediastinum, but also invading the hilar and lungs. Other affected sites include the neck, retroperitoneum, pelvis, armpits, and soft tissue. Often misdiagnosed as thymoma, plasma cell tumor, malignant lymphoma. Understanding the pathology and clinical manifestations of this disease is extremely important for early diagnosis.

Pseudolymphoma: A site that often occurs outside the lymph nodes, such as the eyelids, the pseudolymphoma of the stomach, and the lymphatic polyps of the digestive tract. It is generally considered to be a reactive hyperplasia caused by inflammation.

Lymph node metastasis: Lymph nodes are often hard and uneven in texture, and the primary lesion can be found. Very few systemic lymphadenopathy.

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