The lymphatic system is part of the circulatory system and plays an important role in immunity. It is composed of a network of lymphatic vessels that carry lymph fluid away from tissues and toward the heart. The main functions of the lymphatic system are to remove excess fluid from tissues, transport white blood cells and antigens throughout the body, and provide immune responses in lymph nodes. Diseases that can affect the lymphatic system include lymphadenopathy, lymphedema, cancer, and lymphangitis.

1. LYMPHATIC SYSTEM

2. INTRODUCTION
• lymphatic system is part of the circulatory
system and a vital part of the immune system,
comprising a network of lymphatic vessels that
carry a clear fluid called lymph directionally
towards the heart.
• One of the main functions of the lymph system is
to provide an accessory return route to the blood
for the surplus three litres.

3. • Main function of the lymphatic system is
defensive action.
• Lymph is very similar to blood plasma: it
contains lymphocytes and other white blood
cells.

4. FUNCTIONS
• It is responsible for the removal of interstitial
fluid from tissues
• It transports white blood cells to and from the
lymph nodes into the bones
• The lymph transports antigen-presenting cells,
such as dendritic cells, to the lymph nodes where
an immune response is stimulated.

5. CLINICAL SIGNIFICANCE
• Lymphadenopathy
• Lymphedema
• Cancer
• Lymphangitis
• Kikuchi disease
• Chylothorax

6. • Phlebitis or venitis is the inflammation of a vein,
usually in the legs. It most commonly occurs in
superficial veins. Phlebitis often occurs in
conjunction with thrombosis and is then
called thrombophlebitis or superficial
thrombophlebitis.

7. • Thrombosis is the formation of a blood clot
inside a blood vessel, obstructing the flow of
blood through the circulatory system.
• Gangrene is a type of necrosis caused by a
critically insufficient blood supply.

8. ICD-10-CM-GUIDELINES
• Phlebitis and thrombophlebitis-i80
• Portal vein thrombosis-i81
• Other venous embolism and thrombosis-i82
• Varicose veins of lower extremities-i83
• Esophageal varices-i85

9. • Varicose veins of other sites-i86
• Other disorders of veins-i87
• Nonspecific lymphadenitis-i88
• Other noninfective disorders of lymphatic
vessels and lymph nodes-i89
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