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Venous Thrombosis I: Introduction

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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...

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Related Experiment Video

Updated: Mar 29, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Thrombus Features in Hyperacute Ischemic Stroke: A Perspective on Using Length and Density Evaluation.

Felipe Torres Pacheco¹, César Augusto Pinheiro Ferreira Alves¹, Rubens Jose Gagliardi²

¹Division of Neuroradiology, Santa Casa de São Paulo School of Medical Sciences, São Paulo, SP, Brazil.

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association

|November 25, 2015

Summary

Thrombus density and length on CT scans can help predict the cause of acute ischemic stroke (AIS). This analysis may suggest cervical artery dissection (CAD) before specific imaging, aiding in faster treatment for AIS patients.

Keywords:

Thrombi density cervical artery dissection computed tomography angiography hyperacute stroke stroke subtypes thrombi length

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Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli

Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli

Published on: September 25, 2016

Area of Science:

Neurology
Radiology
Vascular Medicine

Background:

Understanding thrombus formation is crucial for treating acute ischemic stroke (AIS).
Arterial hyperdensity is an early imaging marker for stroke.
Predicting thrombus origin can improve patient management.

Purpose of the Study:

To determine if thrombus density and length predict stroke origin in AIS patients.
To correlate imaging features of thrombi with stroke subtypes.

Main Methods:

Retrospective analysis of 68 AIS patients.
Evaluation of thrombus imaging features (density and length) on noncontrast computed tomography.
Correlation of imaging findings with stroke etiologic subtypes: large-artery atherosclerosis (LAA), cardioembolism, and cervical artery dissection (CAD).

Main Results:

Cervical artery dissection (CAD) was associated with longer and denser thrombi (mean HU 62.4, length 28.5 mm).
Large-artery atherosclerosis (LAA) was linked to shorter and less dense thrombi (mean HU 48.6, length 10.8 mm).
A cutoff of 60 HU and length >20 mm accurately identified CAD thrombi (86.8% and 92.6% accuracy, respectively).

Conclusions:

Thrombus imaging analysis is valuable in AIS patients.
CT-based thrombus characteristics can help suspect CAD early.
This may expedite diagnosis and treatment initiation for AIS.