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

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)


    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.

    Original languageEnglish
    Pages (from-to)244-248
    Number of pages5
    JournalJournal of Computer Assisted Tomography
    Issue number2
    Publication statusPublished - Apr 22 1996

    All Science Journal Classification (ASJC) codes

    • Radiology Nuclear Medicine and imaging


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