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

Radiation Medicine
Yukihisa TakayamaHiroshi Honda

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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Citations

Nov 15, 2012·Pediatric Radiology·Amira DhouibSylviane Hanquinet
Jul 3, 2015·Pediatric Radiology·Berna OguzMithat Haliloglu
May 9, 2015·Magnetic Resonance Imaging Clinics of North America·Juan C BaezEdward Y Lee
Feb 16, 2017·AJR. American Journal of Roentgenology·Mark C LiszewskiEdward Y Lee
Feb 13, 2013·Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology·Caigang LiuGang Li
Mar 15, 2018·Frontiers in Pediatrics·Federica CamelaAndrea Pession

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