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Venous malformation in Infant/Neonate
See also in: External and Internal Eye
Other Resources UpToDate PubMed

Venous malformation in Infant/Neonate

See also in: External and Internal Eye
Contributors: Nnenna Agim MD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Venous malformations (VMs) represent the most common congenital vascular malformations and are estimated to occur in 1-5 of every 10 000 births. They are the third most common congenital vascular lesion to occur in the head / neck region, with infantile hemangiomas and lymphatic malformations being more common.

VMs can involve the skin, subcutaneous tissue, and mucosa. They range in presentation from asymptomatic venous varicosities to exophytic deforming tumors involving the skin, internal organs, and bones, with mass effect on adjacent structures. Visible cutaneous changes may belie much deeper involvement in any given area. VMs can be segmental or localized and may occur in isolation or with other congenital or progressive changes. When additional findings coexist, a vascular overgrowth or venous malformation syndrome may be present. VMs have been associated with CLOVES, capillary malformation-arteriovenous malformation, Maffucci, Klippel-Trenaunay, Parkes-Weber, Sturge-Weber, Gorham-Stout, Bockenheimer, Proteus, and Bannayan-Riley-Ruvalcaba syndromes and familial cerebral venous malformations.

VMs arise from mutations that alter endothelial cell morphogenesis. This leads to disorganized angiogenesis and nonfunctional atypical venous networks. Autosomal dominant inheritance has been reported, but about 95% are presumed to be sporadic. Syndromic forms are more likely to have a defined inheritance pattern. TEK mutations, which are found in blue rubber bleb nevus syndrome, have been identified in 40% of sporadic VMs.

Swelling, pain, and functional impairment, such as limited joint motion, are commonly associated symptoms. Pain may worsen initially with physical activity, but swelling may improve. VMs may be complicated by chronic localized intravascular coagulopathy at any age.

Codes

ICD10CM:
Q27.9 – Congenital malformation of peripheral vascular system, unspecified

SNOMEDCT:
234124003 – Venous malformation

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Last Reviewed:05/31/2020
Last Updated:05/31/2020
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Venous malformation in Infant/Neonate
See also in: External and Internal Eye
Venous malformation : Arm, Blue color, Face, Leg, Purple color, Trunk, Unilateral distribution, Vascular plaque
Clinical image of Venous malformation
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