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Lymphadenectomy, or lymph node dissection, is the surgical removal of one or more groups of lymph nodes. [1] It is almost always performed as part of the surgical management of cancer . In a regional lymph node dissection , some of the lymph nodes in the tumor area are removed; in a radical lymph node dissection , most or all of the lymph nodes ...
The pathophysiology is not yet well understood. Leukocytoclastic vasculitis is proposed to be the underlying cause resulting in reactive lymphedema. [2] Prolonged standing with full knee extension and minimal movement for a prolonged period of time is postulated to induce a temporary failure in pumping the venous and lymphatic systems in the calf region leading to acute gravity-dependent ...
Lymphedema, also known as lymphoedema and lymphatic edema, is a condition of localized swelling caused by a compromised lymphatic system. [2] The lymphatic system functions as a critical portion of the body's immune system and returns interstitial fluid to the bloodstream.
In lymphedema, abnormal removal of interstitial fluid is caused by failure of the lymphatic system. This may be due to obstruction from, for example, pressure from a cancer or enlarged lymph nodes , destruction of lymph vessels by radiotherapy , or infiltration of the lymphatics by infection (such as elephantiasis ).
The risk of lymphedema exists in 29 percent of patients, where leg swelling typically lasts 2 to 3 months. [14] Lymphedema can be caused by blockages in the lymphatic system, leading to insufficient lymph drainage and fluid build-up in the leg. Though it is incurable, swelling of the leg is usually temporary.
Lymphedema praecox presents from ages 1 to 35. This type of lymphedema accounts for 77–94% of all cases of primary lymphedema. Lymphedema tarda presents after age 35. This type of lymphedema usually develops as a result of a developmental abnormality being precipitated by some insult such as trauma, illness, or physical immobility.
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