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British Journal of Radiology (2007) 80, e141-e144
© 2007 British Institute of Radiology
doi: 10.1259/bjr/98272327
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Fibrosing mediastinitis manifesting as thoracic prevertebral thin band-like mass on MRI and PET-CT

K Y Lee, MD 1 J G Yi, MD 2 J H Park, MD 2 Y J Kim, MD 2 Y So, MD 3 and J S Kim, MD 4

1 Department of Internal Medicine, 2 Department of Radiology, 3 Department of Nuclear Medicine, 4 Department of Thoracic Surgery, Konkuk University College of Medicine, Seoul, Republic of Korea


Figure 1
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  		Figure 1. Contrast-enhanced axial chest CT shows the band-like soft tissue mass, anterior paravertebral in location with homogeneous enhancement (arrows). Anterior and middle mediastinum are preserved.

 

Figure 2
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  		Figure 2. MR images of the thoracic spine.(a) Coronal fast spin-echo T1 weighted image (TR/TE 750/12) shows symmetric band-like soft tissue mass of high signal intensity (arrows). (b) Contrast-enhanced coronal fast spin-echo fat-saturated T1 weighted image (TR/TE 716/12) shows marked and homogeneous enhancement of the band-like paravertebral mass (arrows).

 

Figure 3
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  		Figure 3. Sagittal FDG fused PET-CT image of the whole body shows band-like hypermetabolic foci, and thoracic prevertebral and presacral areas.

 

Figure 4
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  		Figure 4. Axial fast spin-echo T1 weighted MR image (TR/TE 650/9) of the pelvis shows soft tissue mass encasing the abdominal aorta (arrows).

 

Figure 5
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  		Figure 5. Axial PET-CT scans of the lower abdomen show ring-like hypermetabolic focus of the aorta.

 

Figure 6
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  		Figure 6. Follow-up contrast-enhanced CT after steroid treatment shows an improvement in prevertebral mass (arrows) and a decrease in right pleural effusion.

 




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