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Computed tomographic and magnetic resonance features of inflammatory myofibroblastic tumor of the lung in children

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Abstract

We report two cases of inflammatory myofibroblastic tumor (IMT) of the lung in a 4-year-old boy and a 7-year-old girl. We performed dynamic contrastenhancement computed tomography in both of our cases and dynamic contrast enhancement magnetic resonance imaging (MRI) in one case. These dynamic studies showed a demarcated mass with delayed enhancement in both cases. A T1-weighted MR image shows a mass with homogeneous low signal intensity, and a T2- weighted image shows a mass with slightly high signal intensity. A post-contrast-enhanced T1-weighted image demonstrates homogeneous enhancement. We speculate that the delayed enhancement could be attributed to the abundant fibrous tissue, which was the main structural material of the tumor. This same finding has been described in previous reports of IMT in other organs.

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Authors and Affiliations

  1. Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan

    Yukihisa Takayama, Hidetake Yabuuchi, Yoshio Matsuo, Hiroyasu Soeda, Takashi Okafuji, Takeshi Kamitani, Masamitsu Hatakenaka & Hiroshi Honda

  2. Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

    Yoshiaki Kinoshita

  3. Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

    Naoya Kubokura

  4. Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

    Shuji Sakai

  5. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

    Yoshinao Oda

Authors
  1. Yukihisa Takayama
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  2. Hidetake Yabuuchi
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  3. Yoshio Matsuo
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  4. Hiroyasu Soeda
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  5. Takashi Okafuji
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  6. Takeshi Kamitani
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  7. Yoshiaki Kinoshita
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  8. Naoya Kubokura
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  9. Shuji Sakai
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  10. Yoshinao Oda
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  11. Masamitsu Hatakenaka
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  12. Hiroshi Honda
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Corresponding author

Correspondence to Hidetake Yabuuchi.

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Takayama, Y., Yabuuchi, H., Matsuo, Y. et al. Computed tomographic and magnetic resonance features of inflammatory myofibroblastic tumor of the lung in children. Radiat Med 26, 613–617 (2008). https://doi.org/10.1007/s11604-008-0284-1

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  • DOI: https://doi.org/10.1007/s11604-008-0284-1

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