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Intravital Microscopy of the Spleen: Quantitative Analysis of Parasite Mobility and Blood Flow
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Intravital Microscopy of the Spleen: Quantitative Analysis of Parasite Mobility and Blood Flow

Published on: January 14, 2012

MRI of the spleen: normal appearance and findings in sickle-cell anemia

D D Adler, G M Glazer, A M Aisen

    AJR. American Journal of Roentgenology
    |October 1, 1986
    PubMed

    Insights

    Magnetic resonance imaging (MRI) reveals distinct spleen signal intensities in healthy individuals and those with sickle-cell anemia. Sickle-cell anemia patients exhibit significantly reduced spleen signal intensity on MRI scans.

    Area of Science:

    • Radiology
    • Medical Imaging
    • Hematology

    Background:

    • The spleen's appearance on magnetic resonance imaging (MRI) can indicate disease.
    • Sickle-cell anemia frequently affects the spleen, necessitating accurate diagnostic methods.

    Purpose of the Study:

    • To prospectively evaluate the MRI characteristics of normal spleens.
    • To assess the MRI appearance of spleens in patients with sickle-cell anemia.

    Main Methods:

    • Prospective evaluation using spin-echo MRI at 0.35 T.
    • Studied 60 healthy individuals and 13 patients with sickle-cell anemia.
    • Analyzed spleen signal intensity relative to liver at various repetition times (TR) and echo times (TE).

    Main Results:

    • Normal spleen signal intensity varied with TR and TE, often becoming hyperintense compared to liver on T2-weighted images.
    • All 13 sickle-cell anemia patients demonstrated abnormally diminished spleen signal intensity on MRI.

    Conclusions:

    • MRI can differentiate normal spleen signal characteristics from those affected by sickle-cell anemia.
    • Diminished spleen signal intensity on MRI is a key indicator of splenic involvement in sickle-cell anemia.

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