Peripheral lymphoid organs peculiar to mammals are composed of lymphocytes. Bean-shaped, located on the way of lymphatic vessels, is one of the important organs that produce immune response. One side of the lymph node is convex, connecting several input lymphatic vessels, and the other side is concave, called "gate", with output lymphatic vessels and nerves and blood vessels entering and leaving. The surface of lymph nodes is covered with tunica, and the connective tissue of tunica extends into lymph nodes to form trabecula, which constitutes the scaffold of lymph nodes. Below the capsule is the cortical area. The center and hilum of lymph nodes are medullary regions. There are lymphoid nodules, diffuse lymphoid tissue and cortical lymphatic sinus (dermal sinus for short) in cortical area. Medulla includes dense lymphoid tissue composed of medullary cord and medullary sinus (medullary sinus for short). There are many lymphocytes and macrophages in the sinus cavity of lymphatic sinus. Lymph from the afferent lymphatic vessels first enters the dermal sinus, then flows to the medullary sinus, and finally leaves the lymph nodes through the efferent lymphatic vessels. The main function of lymph nodes is to filter lymph, produce lymphocytes and plasma cells, and participate in the immune response of the body. Lymph node enlargement or pain usually indicates inflammation or other lesions in the organs in the area. Therefore, it is of great significance to examine lymph nodes according to their distribution law for diagnosing and understanding the development of some infectious diseases.

There are hundreds of lymph nodes in the human body, which function like a "beacon tower". Normal people's superficial lymph nodes are very small, mostly within 0.5 cm in diameter, with smooth and soft surface, no adhesion with surrounding tissues, no tenderness, and usually "calm". However, when the lymph nodes in a certain place are enlarged or have other abnormalities, it indicates that the organs in this area are diseased. When bacteria enter your body from the wound, lymphocytes will produce lymphatic factor and antibodies, effectively killing bacteria. The result of "struggle" is reactive proliferation of lymphocytes and histiocytes in lymph nodes, which makes lymph nodes swollen, which is called reactive proliferation of lymph nodes. Viruses, certain chemicals, toxic products of metabolism, denatured tissue components and foreign bodies can also cause reactive hyperplasia of lymph nodes. When cancer metastasizes through lymph nodes, it will also cause lymph node enlargement, first gathering in marginal sinus, and then growing and reproducing, involving the whole lymph node. Therefore, swollen lymph nodes are a beacon of the human body and an alarm device.

Lymph nodes are all over the body, and only superficial parts can be touched. The neck, jaw, supraclavicular fossa, armpit and groin are the easiest to touch. When lymph nodes are swollen, round, oval or cord-like nodules can be felt under the skin. If swollen lymph nodes are felt under the jaw, it means that there are lesions in the mouth. Such as tonsillitis and periodontitis. When there is a diseased spherical protuberance in the neck, the cervical lymph node nucleus should be considered first. Patients with nasopharyngeal carcinoma often feel cervical lymph node enlargement. Enlarged axillary lymph nodes often reveal diseases of upper limbs or breasts. Inguinal lymphadenopathy is a signal of infectious diseases of lower limbs and buttocks. In addition, people are reminded not to ignore the pathological reactions caused by uterine cancer, testicular cancer and rectal cancer. The left supraclavicular lymph node is enlarged, which mostly indicates that there are cancer cells in the abdominal cavity that metastasize along the thoracic duct. Such as liver cancer, stomach cancer and colon cancer. The right supraclavicular lymph node is enlarged, indicating that cancer cells in the chest have metastasized upward along the right lymphatic vessel. Such as lung cancer and esophageal cancer. When suffering from lymphoblastic leukemia, the lymph nodes of the whole body are enlarged.

It is also of great significance to know the nature of lymphadenopathy frequently for the diagnosis of the disease. If it is acute or chronic inflammation, the lymph nodes are soft and movable, and there is no adhesion with surrounding tissues and skin, and there is a sense of detachment. There are typical symptoms of redness, swelling, fever and pain in acute stage. There is no adhesion between lymph node tuberculosis and skin and surrounding tissues in the early stage, and it can continue to swell when the condition gets worse. However, it does not exceed the size of walnut, and it can adhere and fuse into pieces, change and burst, and flow out yellowish-brown pus or bean curd residue-like substances. Lymph node enlargement caused by cancer is mostly stone-like, hard and skinny, and can adhere to the skin without pain or tenderness. Lymphatic leukemia, swollen lymph nodes can move, not sticky, smooth, not hard, not painful, nor fester.

People can generally find out the primary focus of lymphadenopathy according to the warning of lymphadenopathy-"beacon tower", and if necessary, they should also carry out special examinations such as X-ray, pathological section microscopy, B-ultrasound and CT. This kind of "following the trail", comprehensive analysis, will naturally expose the true colors of the hidden diseases.

According to the statistics of the Ministry of Health, there are 6 million tuberculosis patients in China, and the number is increasing by 4 million every year. The incidence of drug-resistant tuberculosis in China is second only to India, accounting for 1/3 of drug-resistant tuberculosis in the world. This cannot but arouse our deep thought. Why are there still 4 million new patients every year today when the government has the strongest prevention and control efforts and patients have the financial ability to buy drugs? We believe that, on the one hand, tuberculosis mutates, produces drug resistance and multiplies in the body, which makes the existing chemotherapy drugs unable to kill it effectively, leading to the incurable tuberculosis. The recurrence of tuberculosis in developed countries proves that the drug resistance of Mycobacterium tuberculosis is the main reason for the recurrence of tuberculosis. On the other hand, with the increase of dosage, the course of treatment is too long, which makes the side effects particularly obvious. While taking anti-tuberculosis drugs, you also need to take detoxification drugs such as protecting liver and kidney. It not only increases the financial burden of patients, but also causes some patients to interrupt chemotherapy because of unbearable side effects, leading to treatment failure.

These are two major factors in the spread of tuberculosis, and the ultimate root is that drugs themselves cannot effectively kill drug-resistant tuberculosis. For example, this forces all countries to spend hundreds of millions of dollars to find new anti-tuberculosis drugs in thousands of plants in virgin forests.

In the clinical application for more than 30 years, Lidanyin, an efficient concentrated extract of traditional Chinese medicine, was cured without any blank. The longest course of treatment was 35 days, and the shortest was 14 days, without recurrence. The medicine has the following five characteristics:

1. There is no drug resistance problem: both common and drug-resistant mycobacterium tuberculosis can be killed during anti-tuberculosis treatment.

2. There is no concept of tuberculosis classification: the prevention and treatment of tuberculosis is to eliminate mycobacterium tuberculosis in the body by improving the immunity of the body, so tuberculosis, lymph node tuberculosis, bone tuberculosis, visceral tuberculosis and skin tuberculosis can be completely cured.

3. No toxic and side effects: Chinese medicine preparation, without any toxic and side effects.

4. The course of treatment is extremely short: the shortest 14 days and the longest 35 days.

5. Convenient administration: 30g, three times a day.

Indications: No matter what kind or type of tuberculosis, regardless of drug resistance or not, it can be treated.

1. Tuberculosis: For example, severe cavitary pulmonary tuberculosis, with reduced hemoptysis in 3-5 days. A course of treatment (7 days) can stop bleeding, start to have an appetite, not tired, get up and move. Generally, it can be completely cured after five courses of treatment (35 days), and patients with mild or new pulmonary tuberculosis can be cured after 2 1 day.

2. Lymphadenitis: Regardless of the old and new patients, the size of the abscess and the presence or absence of sinus tract, the abscess can be eliminated by oral administration for three courses (2 1 day) and external application for two courses (14 days), and the sinus tract can be shrunk and healed. Cervical lymph node enlargement, it is best to treat it as soon as possible to avoid leaving scars after sinus formation.

3. Bone tuberculosis: No matter the depth of sinus and the amount of pus, it can be cured within four to five courses of treatment (28-35 days), and external drugs are needed.

4. Tuberculosis of other organs: such as skin tuberculosis and renal tuberculosis can be cured within five courses of treatment (35 days). Some diseases need to be combined with topical drugs.

& lt 1 & gt； Do not eat: greasy (such as cock, goose, pig head, beef and mutton, carp, shrimp, crab, etc.). ), spicy (such as raw onions, ginger, raw garlic, peppers, etc. ) and fried food.

& lt2> Smoking and drinking are prohibited.

& lt3> Eat more: kelp, seaweed and fresh fruits and vegetables. 8. How to prevent thyroid tumors?

& lt 1 & gt； Emotion: Avoid depression, anger, impatience and sadness, and keep a cheerful mood.

& lt2> Living in endemic goiter areas should pay attention to iodine supplementation, such as eating iodized salt and eating more seafood such as kelp and laver.

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