While obstruction of veins can cause back
pressure and swelling of the limbs, sometimes the drainage of tissue fluid
(lymph) itself may be blocked or hampered leading to severe swelling of limbs
(lymphedema). This is commonly seen when surgeons remove the lymph nodes in the
axillary region (armpit) following cancer of the breast and the arm gets
swollen. Sometimes diseases like filariasis(elephantiasis) block the lymphatic
system, similarly causing lymphedema or swelling. Sometimes the abnormal
lymphatic vessels maybe present from birth, leading to swelling of the limbs. At
other times tumors may cause pressure on these drainage channels in the abdomen
and lead to swelling of the limbs.
In all these cases one should find out the
actual cause of the limb swelling and then plan the treatment according to the
cause. Reducing the lymphatic edema will help in the faster healing of the
wound. When faced with a non healing wound, lymphatic edema may be a cause that one should rule out.
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