Lymphoedema: Difference between revisions
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== Definition/Description == | == Definition/Description == | ||
<br>Lymphatic obstruction is a blockage of a lymph vessel that drains fluid and <br>immune cells from tissue throughout the body.<sup>1</sup> An obstruction could cause an <br>impaired contraction of the collecting lymphatics, causing lymphedema which is a <br>build up of lymph fluid in the soft tissue.<sup>2</sup><br> | |||
Lymphedema has been classified into grades of severity by the International Society of Lymphology: | |||
• Stage 0 (Latent lymphedema)- Lymph transport capacity is reduced, no clinical edema is present. | |||
• Stage1 - Reversible pitting edema with elevation; Increasing edema with increase in activity, heat, and humidity.<br>• Stage 2 - Accumulation of protein-rich nonpitting edema with connective scar tissue. Irreversible ; does not resolve overnight; increasingly more difficult to pit.Clinical fibrosis is present.Skin changes present in severe stage 2.<br>• Stage 3(Lymphostatic Elephantiasis)-Accumulation of protein-rich edema with significant increase in connective and in scar tissue. Severe non-pitting fibrosis edema.Strophic changes (hardening of dermal tissue, skin folds, skin papillomas, and hyperkeratosis)<sup>2,3,5</sup> | |||
Lymphedema can be divided into 2 categories primary/ idiopathic and secondary/ acquired. The primary cause of lymphedema happens due to a malformation of the lymph vessels. Secondary lymphedema is damage that has been done to normal healthy lymph vessels.<sup>2<br></sup> | |||
== Prevalence == | == Prevalence == | ||
Revision as of 22:53, 31 March 2011
Original Editors - Emily Clark from Bellarmine University's Pathophysiology of Complex Patient Problems project.
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Definition/Description[edit | edit source]
Lymphatic obstruction is a blockage of a lymph vessel that drains fluid and
immune cells from tissue throughout the body.1 An obstruction could cause an
impaired contraction of the collecting lymphatics, causing lymphedema which is a
build up of lymph fluid in the soft tissue.2
Lymphedema has been classified into grades of severity by the International Society of Lymphology:
• Stage 0 (Latent lymphedema)- Lymph transport capacity is reduced, no clinical edema is present.
• Stage1 - Reversible pitting edema with elevation; Increasing edema with increase in activity, heat, and humidity.
• Stage 2 - Accumulation of protein-rich nonpitting edema with connective scar tissue. Irreversible ; does not resolve overnight; increasingly more difficult to pit.Clinical fibrosis is present.Skin changes present in severe stage 2.
• Stage 3(Lymphostatic Elephantiasis)-Accumulation of protein-rich edema with significant increase in connective and in scar tissue. Severe non-pitting fibrosis edema.Strophic changes (hardening of dermal tissue, skin folds, skin papillomas, and hyperkeratosis)2,3,5
Lymphedema can be divided into 2 categories primary/ idiopathic and secondary/ acquired. The primary cause of lymphedema happens due to a malformation of the lymph vessels. Secondary lymphedema is damage that has been done to normal healthy lymph vessels.2
Prevalence[edit | edit source]
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