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Abdominal venous system: assessment using MR.

H Hricak, E Amparo, M R Fisher

    Radiology
    |August 1, 1985
    PubMed
    Summary
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    Magnetic resonance (MR) imaging accurately characterizes venous abnormalities, identifying thrombi and assessing venous wall involvement. This technique is valuable for diagnosing venous diseases, including thrombosis and tumor involvement.

    Area of Science:

    • Radiology
    • Vascular Imaging
    • Medical Diagnostics

    Background:

    • Venous diseases require accurate diagnostic methods.
    • Computed tomography, angiography, and ultrasound are used but may have limitations.
    • Magnetic resonance (MR) imaging offers potential for detailed venous assessment.

    Purpose of the Study:

    • To determine the MR characterization of venous abnormalities.
    • To evaluate the accuracy of MR imaging in diagnosing venous diseases.
    • To assess MR's ability to differentiate thrombus types and identify venous wall involvement.

    Main Methods:

    • Twenty-five patients with suspected venous disease underwent MR imaging.
    • MR findings were correlated with surgical, autopsy, or biopsy results.

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  • Comparison with other radiologic tests was performed when necessary.

    • Main Results:

    • MR imaging visualized the inferior vena cava (IVC), portal vein, and tributaries in most cases.
    • MR accurately identified intraluminal thrombi in various veins (IVC, portal, renal, mesenteric, iliac).
    • MR differentiated slow flow from thrombus and depicted venous wall involvement and collaterals.

    Conclusions:

    • MR imaging is accurate and effective for evaluating venous abnormalities.
    • It aids in diagnosing venous thrombosis, tumor involvement, and assessing venous obstruction.
    • MR imaging is a valuable and likely important application in vascular diagnostics.