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Focal Nodular Hyperplasia

Case Study
Prof. Matos, Celso, M.D. Brussels, Erasme Hospital

Patient history

A 63-year-old female with history of breast cancer presented for an MRI examination on the Achieva 3.0T TX at Erasme Hospital after a focal liver lesion was previously detected with liver US.

MR examination

Achieva 3.0T TX was used with the SENSE Torso XL coil.

Exam included the following sequences:
1. Axial single-shot respiratory triggered TSE T2-weighted with voxel size1.2x1.6x4 mm3; TE 80 ms; TSE factor 62; SENSE acceleration factor 2.
2. Axial respiratory-triggered DWI with multiple b-values (0, 150, 1000 s/mm2); TR 1200 ms; TE 77 ms; voxel size 2.27x2.73x5 mm3; SENSE acceleration factor 2.4)
3. Axial and coronal THRIVE with voxel size 1.49x1.5x3 mm3; TR 3 ms; TE 1.42 ms; SENSE acceleration factor: 2.6)

Images

 T2W TSE
T2W TSE
 DWI b=150 DWI b=1000
DWI b=150
DWI b=1000
 ADC map Delayed e-THRIVE
ADC map
Delayed e-THRIVE

T2-weighted TSE shows a focal liver lesion located in segment 4, hyperintense to adjacent normal liver tissue (arrow).

DWI shows restricted diffusion. The ADC map shows higher ADC of the lesion compared to normal liver.

On delayed coronal THRIVE the lesion enhances relative to adjacent liver, which is related to the presence of functional normal hepatocytes. Combining DWI and contrast-enhanced MRI with liver-specific contrast agents potentially improves the specificity of MRI.

Diagnosis

Focal Nodular Hyperplasia.

Clinical impact ofthe Achieva 3.0T TX with MultiTransmit

The Achieva 3.0T TX with MultiTransmit consistently enhances image and contrast uniformity and improves reproducibility which benefits diagnosis and follow-up in oncology patients.

Combining DWI and contrast-enhanced MRI with liver-specific contrast agents potentially improves the specificity of MRI.

Related reading:



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Nov 4, 2010

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Case Study
Achieva 3.0T
Release 2, Release 3
Abdomen, Body, DWI, e-THRIVE, FNH, focal nodular hyperplasia, Liver, MultiTransmit, Oncology, SENSE Torso XL coil
 

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