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What does this MRI tell us? I never had it discussed with me.

  My 1st MRI was not really discussed with me so I was wondering what it tells one?  What area's are affected and what body parts would they control, or could they affect?  Do the episodes normally come back to the same area?
  "MRI done 7-86 at age 35 with history of diplopia and nystagmus.
  Multiple sagittal partial saturation recovery (PSR) images were obtained providing T1 relaxation information.  Multiple axial spin echo (MSE) images were obtained providing proto density and T2 relaxation information.  The patient was cooperative, tolerated the procedure well, and a satisfactory examination was obtained. Multiple cerebral periventricular white matter intensity abnormalities are demonstrated bilaterally.  confluent intensity abnormalities are demonstrated particularly right frontal cerebrum and left posterior temporal cerebrum.  Other intensity abnormalities are seen right posterior temporal cerebrum, both frontal and bilateral parietal cerebrum. There is slight asymmetry of the lateral ventricles, the frontal horn of the right lateral ventricle being slightly larger than that on the left.  The focal frontal horn enlargement on the right is subjacent to frontal white matter intensisty abnormalities and may indicate atrophic change at that level.  The MR findings are consistent with multiple areas (14) of demyelination or infaction. Impression: Multiple cerebral white matter intensity abnormalities consisten with demyelination."
Thanks for the question.  One of the most important elements in the correct
interpretation of a brain imaging study is the knowledge of the "quality"
of the abnormality (dimensions, shape, uniformity, location, etc.).  This
type of information is rather difficult to convey properly in the text
format, hence I would need to look at the images to provide the proper
interpretation.  However, having said that there are quite a number of
important facts in the radiologic reading that you have transcribed:
- Three types of MRI imaging were performed: T1, T2, Proton density.  
   In T1 images, the brighter parts of each image corresponds to tissues with
   higher lipid content, such as the Whiter Matter of the brain, that is
   the axonal fibers that connect the different parts of the brain, which
   are also the parts that are damaged in MS.
   In T2 images, the brighter parts of each image corresponds to parts with
   higher water content, therefor, the ventricles (spaces that hold the
   spinal fluid) appear very bright.  T2 images also demonstrate brain
   lesions better because injured tissues often has a edema (tissue swelling),
   hence increasing their water content.
   Proton density images is a method of MRI imaging that attempts to distinguish
   the "bright" images corresponding to brain lesions, from those corresponding
   simply by the ventricles (which are normally bright).
- At least 14 lesions were seen in your scan involving the following areas:
Bilateral periventricular white matter
Bilateral frontal lobes
Bilateral posterior temporal lobes
Bilateral parietal lobes
   Without the benefit of actually seing the images, it is very difficult to
   correctly predict brain functions that could be affected, but a reasonable
   assumption would be impairment of both motor (weakness, spasticity) and
   somatosensory functions (perception of touch, temperature, perhaps pain)
   possibly in both sides of the body.  Both memory and mood might also be
- All lesions appear to be located in the white matter, although that is not
   clearly stated in the reading.  If that is the case, it would be very
   consistent with MS.
I hope this information is helpful.
This information is provided for general medical education purposes only.
Please consult your doctor regarding diagnostic and treatment options.

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