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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...
Veins01:17

Veins

Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood.
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...

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Updated: May 29, 2026

A Patient-Derived Xenograft Model for Venous Malformation
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Published on: June 15, 2020

Vascular lesions.

Patricia T Ting, Jaggi Rao

    Current Problems in Dermatology
    |August 26, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Laser and light technologies offer safe and effective treatments for vascular lesions in dermatology. This review details various devices and outlines treatment strategies for common vascular conditions.

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    Area of Science:

    • Dermatology
    • Biomedical Engineering
    • Optical Physics

    Background:

    • Laser and light-based technologies have significantly advanced, enhancing their utility in dermatological treatments.
    • Vascular lesions, both congenital and acquired, present a common challenge in dermatological practice.
    • Optimizing treatment for vascular lesions requires understanding the specific properties of various light-based devices.

    Purpose of the Study:

    • To review the current landscape of laser and light-based devices used for vascular lesion management.
    • To discuss the mechanisms, applications, safety, and efficacy of different light technologies.
    • To propose a focused treatment approach for common vascular lesions.

    Main Methods:

    • Review of scientific literature on laser and light-based therapies for vascular lesions.
    • Analysis of device specifications including wavelength, pulse duration, and energy parameters.
    • Synthesis of clinical data on the efficacy and safety of various treatment modalities.

    Main Results:

    • Key devices include potassium titanyl phosphate (KTP) laser, pulsed dye laser (PDL), intense pulsed light (IPL), diode lasers, alexandrite laser, and Nd:YAG laser.
    • Each technology offers distinct advantages for specific types of vascular lesions based on chromophore absorption and penetration depth.
    • Variable-pulse 532 nm KTP, 577-595 nm PDL, IPL, 800-940 nm diode, long-pulse 755 nm alexandrite, and 1,064 nm Nd:YAG lasers are highlighted.

    Conclusions:

    • Advances in laser and light technology provide a robust toolkit for treating vascular lesions.
    • A tailored treatment strategy, considering lesion type and device characteristics, is crucial for optimal outcomes.
    • Continued research and technological innovation promise further improvements in safety and efficacy for vascular lesion management.