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__NOTOC__
{{Lymphangioma}}
{{CMG}}; {{AE}}
==Overview==


[[Lymphatic]] [[malformations]] are [[benign]].
[[Lymphangioma]] may be classified according to [[histopathology]] into 3 subtypes: Microcystic type also known as [[lymphangioma circumscriptum]], macrocystic type, also known as [[cystic hygroma]] and mixed type. The classification is based on histologic formation.


They are classified as:<ref name="pmid10712360">{{cite journal |vauthors=Faul JL, Berry GJ, Colby TV, Ruoss SJ, Walter MB, Rosen GD, Raffin TA |title=Thoracic lymphangiomas, lymphangiectasis, lymphangiomatosis, and lymphatic dysplasia syndrome |journal=Am. J. Respir. Crit. Care Med. |volume=161 |issue=3 Pt 1 |pages=1037–46 |date=March 2000 |pmid=10712360 |doi=10.1164/ajrccm.161.3.9904056 |url=}}</ref>
==Classification==
* Microcystic type also known as [[lymphangioma circumscriptum]]


[[Lymphangioma]] may be classified according to [[histopathology]] into 3 subtypes:<ref name="pmid2644602">{{cite journal |vauthors=Abu-Hamad A, Provencher D, Ganjei P, Penalver M |title=Lymphangioma circumscriptum of the vulva: case report and review of the literature |journal=Obstet Gynecol |volume=73 |issue=3 Pt 2 |pages=496–9 |date=March 1989 |pmid=2644602 |doi= |url=}}</ref>
* Microcystic type also known as [[lymphangioma circumscriptum]].
* Macrocystic type, also known as [[cystic hygroma]].
* Macrocystic type, also known as [[cystic hygroma]].
* Mixed type
* Mixed type.
 
=== Microcystic [[lymphatic]] [[malformation]] ([[lymphangioma circumscriptum]]): ===
* These are small, [[translucent]], [[hemorrhagic]] cluster of vesicles, through which [[lymphatic]] fluid leaks.
* It is present at birth.
* The most commonly involved sites are proximal [[extremities]], [[Trunk|trunk,]] [[Axilla|axilla,]] and the [[oral cavity]].
 
=== Macrocystic lymphatic malformation (cystic hygroma): ===
*It is comprised of large [[endothelium]] lined, interconnected [[ducts]] which are visible on [[skin]] as an enlarged, soft swelling.
*It soft, [[cystic]], poorly demarcated mass, most commonly found in the cervicofacial region, [[Axilla|axilla,]] or [[chest wall]].
*[[Cystic hygroma]] can be detected through [[ultrasonography]] in [[Prenatal|prenatal period]] during first [[Trimester|trimester.]]


===Mixed Type:===
==References==
*Microcystic and macrocystic lymphangiomas are often found in the same site.
{{Reflist|2}}

Latest revision as of 16:15, 18 January 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

Lymphangioma may be classified according to histopathology into 3 subtypes: Microcystic type also known as lymphangioma circumscriptum, macrocystic type, also known as cystic hygroma and mixed type. The classification is based on histologic formation.

Classification

Lymphangioma may be classified according to histopathology into 3 subtypes:[1]

References

  1. Abu-Hamad A, Provencher D, Ganjei P, Penalver M (March 1989). "Lymphangioma circumscriptum of the vulva: case report and review of the literature". Obstet Gynecol. 73 (3 Pt 2): 496–9. PMID 2644602.