Lymphangiectasia

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Lymphangiectasia

Postby patoco » Sat Jun 10, 2006 1:29 am

Lymphangiectasia

Our Home Page: Lymphedema People

http://www.lymphedemapeople.com/

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Lymphangiectasia

Author: Geover Fernandez, MD -Staff Physician, Department of Dermatology, UMDNJ-New Jersey Medical School

Background: Lymphangiectases represent superficial lymphatic dilatation caused by a wide range of scarring processes.

Lymphangiectasia occurs as a consequence of lymphatic damage by an external cause, leading to obstruction of local lymphatic drainage. Lymphangiectases are also termed acquired lymphangiomas. Acquired lymphangiomas most commonly occur in adults as a late sequela of mastectomy and radiation therapy. Patients usually present with numerous translucent vesicles in a chronic lymphedematous area several years after surgery with or without radiation therapy.
Some authors apply the terms acquired lymphangioma and lymphangioma circumscriptum interchangeably. In both conditions, the typical cutaneous lesions are groups of small translucent vesicles, often compared with frog spawn. Although both share similar clinical and histologic features, the authors believe that they are 2 distinct entities. The term acquired lymphangioma (lymphangiectasia) is used when dilated lymphatic channels arise following damage to previously normal deep lymphatics, whereas lymphangioma circumscriptum is used when lymphatic channel dilation occurs because of congenital malformations of the lymphatic system involving the skin and the subcutaneous tissues.

Pathophysiology: The pathogenesis of lymphangiectasia is not known; however, the vesicles associated with lymphangiectasia are suggested to represent saccular dilations of local superficial lymphatics. These vesicles develop secondary to increased intralymphatic pressure as a result of buildup of lymph in the superficial vessels caused by damage to previously normal deep lymphatics. This mechanism explains the accompanying lymphedema seen in most patients with lymphangiectasia. The lymphedema usually arises as a result of obstructed lymphatic drainage after mastectomy, radiation therapy, or tumor mass compression

** For complete article see link below **

http://www.emedicine.com/derm/topic873.htm

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All About Lymphangiectasia Yahoo Support Group

Support group for parents, patients, children who suffer from all forms of lymphangiectasia. This condition is caused by dilation of the lymphatics. It can affect the intestinal tract, lungs and other critical body areas.

http://health.groups.yahoo.com/group/al ... giectasia/

Subscribe: allaboutlymphangiectasia-subscribe@yahoogroups.com

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Support for Children with Lymphangiectasia

Little Leakers

http://littleleakers.com/

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Caring Bridge

http://www2.caringbridge.org/ca/ironkidmike/

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Sick Kids Foundation

http://www.sickkids.ca/foundation/custom/pom_alison.asp


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see also:

Intestinal Lymphengiectasia

http://www.lymphedemapeople.com/thesite ... ctasia.htm

Pulmonary Lymphangiectasia

http://www.lymphedemapeople.com/thesite ... ctasia.htm

HENNEKAM LYMPHANGIECTASIA SYNDROME

http://www.lymphedemapeople.com/thesite ... ngiect.htm

PULMONARY CYSTIC LYMPHANGIECTASIS

http://www.lymphedemapeople.com/thesite ... ctasis.htm

Hennekam syndrome

http://www.lymphedemapeople.com/thesite ... ndrome.htm

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