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MR imaging in inferior vena cava thrombosis
R Soler1, E Rodríguez, M F López
1Department of Radiology, Hospital Juan Canalejo, La Coruña, Spain.
European Journal of Radiology
|January 1, 1995
Summary
Magnetic resonance (MR) imaging accurately assesses inferior vena cava (IVC) thrombosis size and location. MR imaging also reveals thrombus age and morphological changes during treatment, aiding clinical management.
Area of Science:
- Radiology
- Vascular Imaging
- Medical Diagnostics
Background:
- Inferior vena cava (IVC) thrombosis is a serious condition requiring accurate diagnosis.
- Differentiating acute from non-acute thrombus is crucial for effective treatment.
- Monitoring thrombus evolution during medical management is essential.
Purpose of the Study:
- To evaluate MR imaging's efficacy in diagnosing IVC thrombosis.
- To differentiate acute from non-acute IVC thrombus using MR imaging.
- To assess morphological and signal intensity changes of IVC thrombus during treatment.
Main Methods:
- Prospective evaluation of 17 patients with suspected IVC thrombosis undergoing 30 MR examinations.
- Classification of thrombi into acute and non-acute based on clinical symptom onset.
- Qualitative and quantitative assessment of thrombus signal intensity and morphology on spin-echo sequences.
Main Results:
- MR imaging correctly identified IVC thrombus size and localization in 19 examinations.
- Homogeneous signal intensity was observed in acute thrombi, while heterogeneous patterns were seen in older thrombi (>1 week).
- A statistically significant relationship (P < 0.01) was found between thrombus age and signal intensity patterns.
Conclusions:
- MR imaging is accurate for assessing IVC thrombus size and localization, comparable to reference techniques.
- MR imaging provides valuable insights into thrombus age and morphological variations during treatment.
- MR imaging aids in monitoring therapeutic response in patients with IVC thrombosis.