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3.0T Pituitary - University of Michigan

ExamCard
Dr. Parmar, Hemant, M.D. Ann Arbor, University of Michigan USA
Prof. Mukherji, Suresh, M.D. Ann Arbor, University of Michigan USA
Mrs. Dudek, Nancy, R.T. Ann Arbor, University of Michigan USA

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ExamCard purpose

This Release 2 SmartExam ExamCard is used for patients who are suspected of having:

 

1.      Pituitary adenoma (micro or macroadenoma).

2.      Suprasellar or hypothalamic masses.

3.      Abnormality of the optic chiasma (demyelination, tumor etc).

4.      Abnormality of the infundibular stalk (inflammation, tumor etc).

 

As there are many interrelated structures found in this area, such as the optic chiasma and the infundibular stalk, it is necessary to be able to distinguish these structures and study them in detail.

 

The objective of this ExamCard is to produce images with a high-resolution and a small FOV.

The reduced voxel size also decreases susceptibility artifacts.

ExamCard overview

Pituitary
Scan 1SmartSurvey
Scan 2Reference scan
Scan 3T1 SAG SE
Scan 4DWI
Scan 5T2 COR TSE SENSE
Scan 6T1 COR SE
Scan 7T1 TSE Dynamic (optional)
Scan 8T1 COR post-contrast
Scan 9T1 SAG post-contrast
Scan 10T1 AX whole brain

Notes:

 

SmartSurvey is a 59-sec SmartScan localizer

Scan 2 is a standard reference scan

Scan 3, T1 SAG SE is a small FOV, thin slices scan covering the pituitary gland.

Scan 4, DWI, is a standard brain sequence, used to create an ADC map.

Scans 5-6 are coronal small FOV, thin slices scans centered over the pituitary gland.

Scan 7, T1 TSE Dynamic (optional) is an optional dynamic scan with contrast injection, performed in patients with suspected micro adenoma, to catch small tumor before contrast equilibrium between the normal gland and tumor sets in. Approximately 6 slices (enough to cover the pituitary) and 5 or more phases are used.

Scans 8-9 produce post-contrast, thin slice images of the pituitary.

ExamCard images

T1w SAG SE 2 mm slice thickness
T1w SAG SE
2 mm slice thickness
T2w COR TSE SENSE 2 mm slice thicknessT2w COR TSE SENSE 2 mm slice thicknessT2w COR TSE SENSE 2 mm slice thickness
T2w COR TSE SENSE
T2w COR TSE SENSE
T2w COR TSE SENSE
2 mm slice thickness
2 mm slice thickness
2 mm slice thickness
T1w COR 2 mm slice thicknessT1w COR 2 mm slice thicknessT1w COR 2 mm slice thickness
T1w COR
T1w COR
T1w COR
2 mm slice thickness
2 mm slice thickness
2 mm slice thickness

Patient preparation

The 8-channel SENSE Head coil was used.

Contrast agent / injection protocol

Gadolinium was injected at 2 cc/sec for a total of 20 cc.


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ExamCard
Achieva 3.0T
Release 1
Quasar Dual
Neuro, Pituitary
 

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