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A Patient-Derived Xenograft Model for Venous Malformation

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Published on: June 15, 2020

[Vascular tumours and malformations, classification, pathology and imaging].

M Wassef¹, R Vanwijck, P Clapuyt

¹Assistance publique-Hôpitaux de Paris, hôpital Lariboisière, laboratoire Jean-Roujeau, 2, université Paris-VII-René-Descartes, faculté de médecine, France. michel.wassef@lrb.aphp.fr

Annales De Chirurgie Plastique Et Esthetique

|September 29, 2006

Summary

Vascular anomalies are now classified by the International Society for the Study of Vascular Anomalies (ISSVA), distinguishing between vascular tumors and malformations. This clarifies diagnosis and treatment for these complex conditions.

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Area of Science:

Vascular Biology
Medical Classification Systems
Histopathology

Context:

Historically, vascular anomalies lacked clear classification, leading to diagnostic and therapeutic confusion.
The International Society for the Study of Vascular Anomalies (ISSVA) has introduced a new classification system.
This system differentiates between vascular tumors and vascular malformations based on their underlying biological processes.

Purpose:

To present the ISSVA's updated classification of vascular anomalies.
To clarify the distinction between vascular tumors and vascular malformations.
To provide a common terminology for physicians involved in the diagnosis and treatment of vascular anomalies.

Summary:

The ISSVA classification separates vascular tumors (e.g., hemangiomas) characterized by cell proliferation from vascular malformations, which are developmental defects.
It details various types of vascular tumors and malformations, including their clinical, imaging, and histological features.
The classification also incorporates syndromes associated with vascular anomalies and addresses specific entities like infantile hemangiomas and the Kasabach-Merritt phenomenon.

Impact:

Facilitates a clearer understanding and consistent diagnosis of diverse vascular anomalies.
Enables tailored and improved therapeutic strategies for patients with vascular tumors versus malformations.
Promotes interdisciplinary collaboration by establishing a shared language among specialists.