Inflammatory pseudotumors of the spleen: CT and MRI findings

Hiroyuki Irie, Hiroshi Honda, Kuniyuki Kaneko, Toshiro Kuroiwa, Tatsuro Fukuya, Kengo Yoshimitsu, Hitoshi Aibe, Ryosuke Hirakata, Yasuhiro Horie, Takashi Maeda, Kouji Masuda

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    Objective: Our goal was to elucidate the CT and MRI findings of inflammatory pseudotumors of the spleen. Methods: The CT and MRI findings of three patients with inflammatory pseudotumors of the spleen were reviewed and compared with the pathologic findings. Results: On the early phase of CT, the masses were hypodense to the normal spleen, and on the delayed phase, they demonstrated delayed enhancement. On T1-weighted MR images, the masses were isointense to the normal spleen, and on T2-weighted images, the masses had heterogeneous low signal intensities. After administration of Gd-DTPA, the masses showed delayed enhancement. Conclusion: Inflammatory pseudotumors of the spleen were characterized by low signal intensity on T2-weighted MR images and delayed enhancement after contrast material administration on CT and MRI. The fibrous stroma may contribute to these unusual findings.

    元の言語英語
    ページ(範囲)244-248
    ページ数5
    ジャーナルJournal of Computer Assisted Tomography
    20
    発行部数2
    DOI
    出版物ステータス出版済み - 4 22 1996

    All Science Journal Classification (ASJC) codes

    • Radiology Nuclear Medicine and imaging

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    Irie, H., Honda, H., Kaneko, K., Kuroiwa, T., Fukuya, T., Yoshimitsu, K., Aibe, H., Hirakata, R., Horie, Y., Maeda, T., & Masuda, K. (1996). Inflammatory pseudotumors of the spleen: CT and MRI findings. Journal of Computer Assisted Tomography, 20(2), 244-248. https://doi.org/10.1097/00004728-199603000-00014