Normal MR CSF flowmetry study

Case contributed by Dalia Ibrahim
Diagnosis not applicable

Presentation

Headache.

Patient Data

Age: 20 years
Gender: Female
mri
This study is a stack
Sagittal
T2
This study is a stack
Axial
T2
This study is a stack
Axial
FLAIR
This study is a stack
Coronal
T2
This study is a stack
Axial
DWI
This study is a stack
Axial
ADC
This study is a stack
Sagittal
T2
This study is a stack
Sagittal
Cine
This study is a stack
Axial
Cine
Flow
curve
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Info

Normal MR signal of the cerebral hemispheres, cerebellum, and brainstem. Normal size and signal of the ventricular systems. No atrophic or hydrocephalic changes. No extra-axial collections. No midline shift.

Morphologic examination of the aqueduct of Sylvius showed normal dimensions of the duct with no evidence of obstruction or pathological dilatation.

Qualitative assessment of the cine-phase examination showed free CSF flow signal through the aqueduct of Sylvius, foramina of the fourth ventricle, and around the brain stem of the foramen magnum. Quantitative assessment showed:

  • systolic mean flow = 0.007 mL/s
  • duration of CSF systole = 450 ms
  • stroke volume = 3.5 microliter (normal up to 42 microliter)

Case Discussion

The MR CSF flowmetry results are in keeping with normal CSF flow dynamics with normal CSF quantitative assessment and morphological features showing no evidence of obstruction.

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