C5 nerve sheath tumour

Case contributed by Ian Bickle
Diagnosis almost certain

Presentation

Left-sided 2-3 cm mildly tender poorly mobile neck swelling.

Patient Data

Age: 40 years
Gender: Female
ultrasound
Longitudinal
Longitudinal
Longitudinal
Longitudinal
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Info

Well devoid ovoid low attenuation mass in the left side of the neck.

mri
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Sagittal
T1
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Axial
T1
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Sagittal
T2
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Coronal T2
fat sat
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Axial
T2
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Sagittal T1
C+ fat sat
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Coronal T1
C+ fat sat
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Info

3.5 cm left C5 benign appearing nerve sheath tumour.  This has increased from 3 cm on the prior study.

No other abnormality.

 

Case Discussion

C5 nerve sheath tumour.  This is most likely a schwannoma or neurofibroma.  Radiologically it is often not possible to distinguish the subtype of peripheral nerve sheath tumour.

This changed only minimally over 3 years of interval imaging.

When small, they may be mistaken for lymph nodes on ultrasound.

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