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Lymphangitis


Acute inflammation of the lymphatic vessels. It is a secondary disease, i.e. develops in the presence of purulent in the body. From it, the pathogens and their toxins, being absorbed and penetrating the lymphatic pathways, first infect the small lymphatic vessels. In this phase of lymphangitis, intense redness of the skin is observed, very similar to erysipelas, differing from it in the absence of sharp boundaries.
When the inflammatory process moves to larger trunks, the skin becomes visible, passing through the entire limb to the armpit or inguinal fold, red stripes, painful and dense with palpation.
The process extends to care or superficial lymphatic vessels (lymphangitis of superficial vessels), or deep (lymphangitis of deep vessels). Sometimes, both are simultaneously affected (mixed form), which is characterized by the appearance of puffiness, pain and damage to the lymph nodes (lymphadenitis).
Sometimes along the large lymphatic vessels there are infiltrates and formation of ulcers - purulent lymphangitis, in which the inflammatory reaction is pronounced. Under the microscope, one can clearly notice the expansion of the lymphatic vessels, the lumens of which are filled with partially leukocyte accumulations, partially with thrombotic masses, the surrounding tissues are infiltrated with leukocytes, swollen (picture of secondary perilymphangitis). Acute lymphangitis may become chronic. In such cases, the development of dense connective tissue in the vessels leads to a violation of the circulation of the lymph in them, its stagnation, which can be expressed by elephantish limbs, more often the lower ones.
Symptoms and course of lymphangitis depend on the localization of the process, the microbial virulence and the severity of the local reaction.
Treatment should be directed to the elimination of the primary focus that caused the defeat of the lymphatic vessels. In complicated forms of lymphangitis (abscess, phlegmon, etc.), treatment is carried out according to general rules.