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Peripheral nerve sheath tumor (schwannoma)

Case Study
Tanji, Hajime Northern Fukushima Medical Center • Japan
Yabuki, Shoji, MD, DMSc Fukushima Medical University School of Medecine • Japan

Patient history

This patient with right lower back pain presented for MRI at Northern Fukushima Medical Center. 

MR examination

The patient underwent MRI with 3D NerveVIEW on Achieva 3.0T dStream.

Both fat suppressed T2-weighted axial and coronal images show the tumor.
3D NerveVIEW imaging shows the relationship between tumor spread and nerves.

Images

Click on an image to enlarge
Axial T2W with fatsat
Axial T2W with fatsat
Coronal T2W with fatsat NerveVIEW partial MIP Voxels 1 x 1 x 2 mm, 5:47 min.
Coronal T2W with fatsat
NerveVIEW partial MIP
Voxels 1 x 1 x 2 mm, 5:47 min.

Findings

Previously, a positional relationship with a tumor was assessed from axial images only. However, now the course can be assessed more continuously on a coronal NerveVIEW MIP.

Impact of 3D NerveVIEW

A nerve sheath tumor is usually removed by cutting only the tumor's capsule without cutting the nerve itself. However, a tumor emerging from the nerve fiber itself cannot be removed unless the corresponding nerve is also excised.

If a tumor-nerve connection can be successfully visualized, making a diagnosis and choosing the optimal surgical approach may be possible without performing a biopsy.

 

 

 

Read more in
 

FieldStrength article: Direct visualization on the nerves can influence surgery decisions.

 

 

 

 

Results from case studies are not predictive of results in other cases. Results in other cases may vary.



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Jul 17, 2018

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Case Study
Achieva 3.0T dStream
dStream, MR neurography, Nerve, nerve root, NerveVIEW, Neuro, Oncology, Schwannoma
 

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