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Updated: Jul 13, 2026
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Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
Portal vein thrombosis: CT features.
Hae-Kyung Lee1, Seong Jin Park, Bum-Ha Yi
1Department of Radiology, Soonchunhyang University, Bucheon Hospital, 1174 Jung-Dong Wonmi-Gu, Bucheon-Shi Kyungki-Do, South Korea. hklee@schbc.ac.kr
Abdominal Imaging
|August 19, 2007
Summary
Portal vein thrombosis (PVT) diagnosis relies on dynamic contrast-enhanced CT, which visualizes vessel abnormalities. Recognizing PVT signs is crucial for intervention, especially in patients with liver cirrhosis or hepatocellular carcinoma.
Area of Science:
- Radiology
- Vascular Imaging
- Hepatology
Background:
- Portal vein thrombosis (PVT) is a serious condition with diverse causes, frequently linked to liver cirrhosis and hepatocellular carcinoma.
- Clinical presentation of PVT can be subtle, often masked by underlying diseases, necessitating advanced imaging for diagnosis.
Purpose of the Study:
- To highlight the importance of dynamic contrast-enhanced CT in diagnosing PVT.
- To describe the characteristic CT findings of PVT and associated causative diseases.
- To increase radiologist awareness of clinical scenarios predisposing to PVT.
Main Methods:
- Dynamic contrast-enhanced computed tomography (CT) was utilized for imaging.
- Analysis focused on identifying intraluminal filling defects and vessel wall enhancement patterns.
Main Results:
- Dynamic contrast-enhanced CT effectively visualizes PVT, showing partial or complete lumen occlusion.
- Characteristic findings include intraluminal filling defects and peripheral "rim enhancement" of the vessel wall.
Conclusions:
- Dynamic contrast-enhanced CT is the gold standard for diagnosing PVT and evaluating its underlying causes.
- Radiologists must be vigilant for PVT in at-risk patient populations, considering subtle clinical signs.
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