Vascular anomalies

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hannan Javed, M.D.[2], Anmol Pitliya, M.B.B.S. M.D.[3]

Classification

Classification of Vascular Tumors

Vascular tumors

Benign

Locally aggressive or borderline

Malignant

Infantile hemangioma / Hemangioma of infancy

Kaposiform hemangioendothelioma*

Angiosarcoma

Congenital hemangioma*

Retiform hemangioendothelioma

Epithelioid hemangioendothelioma

Tufted angioma*

Papillary intralymphatic angioendothelioma (PILA), Dabska tumor

Others

Spindle-cell hemangioma

Composite hemangioendothelioma

Epithelioid hemangioma

Pseudomyogenic hemangioendothelioma

Pyogenic granuloma (also known as lobular capillary hemangioma)

Polymorphous hemangioendothelioma

Others Hobnail hemangioma Microvenular hemangioma Anastomosing hemangioma Glomeruloid hemangioma Papillary hemangioma Intravascular papillary endothelial hyperplasia Cutaneous epithelioid angiomatous nodule Acquired elastotic hemangioma Littoral cell hemangioma of the spleen

Hemangioendothelioma not otherwise specified

Related lesions Eccrine angiomatous hamartoma Reactive angioendotheliomatosis Bacillary angiomatosis

Kaposi sarcoma

Others

^*congenital hemangioma (rapidly involuting type) and tufted angioma may be associated with thrombocytopenia and/or consumptive coagulopathy in some cases. Many experts consider tufted angioma and kaposiform hemangioendothelioma to be part of a spectrum rather than distinct entities

Classification of Vascular Malformations

Vascular malformations

Simple vascular malformations

Combined vascular malformations

Vascular malformations of major named vessels

Vascular malformations asscoiated with other anomalies

Combined vascular malformations* CM + VM Capillary-venous malformation CVM CM + LM Capillary-lymphatic malformation CLM CM + AVM Capillary-arteriovenous malformation CAVM LM + VM Lymphatic-venous malformation LVM CM + LM + VM Capillary-lymphatic-venous malformation CLVM CM + LM + AVM Capillary-lymphatic-arteriovenous malformation CLVM CM + VM + AVM Capillary-venous-arteriovenous malformation CVAVM CM + LM + VM + AVM Capillary-lymphatic-venous-arteriovenous malformation CLVAVM

Anomalies of major named vessels (also known as "channel type" or "truncal" vascular malformations) Affect • Lymphatics • Veins • Arteries Anomalies of • Origin • Course • Number • Diameter (aplasia, hypoplasia, stenosis, ectasia / aneurysm) • Valves • Communication (AVF) • Persistence (of embryonal vessel)

Vascular malformations associated with other anomalies

Capillary malformations

Lymphatic malformations

Venous malformations

Arteriovenous malformations

Arteriovenous fistula

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