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Neurology  (Expert Forum)
 | 
cav. angioma & MRI results: need help with report!!
This forum is for questions and support regarding neurology issues such as: Alzheimer's Disease, ALS, Autism, Brain Cancer, Cerebral Palsy, Chronic Pain, Epilepsy, Fibromyalgia, Headaches, MS, Neuralgia, Neuropathy, Parkinson's Disease, RSD, Sleep Disorders, Stroke, Traumatic Brain Injury.

cav. angioma & MRI results: need help with report!!

by BARBARA__0__0, Dec 20, 1998 12:00AM

  First, many thanks for providing this excellent forum every day of the year, and for being such an incredible source of information 24 hours a day for so many people. My greatest wishes for the Holidays and New Years to all!
  If possible, I am wondering if anyone might be able to help with some of the "big words" in a recent MRI report. The MRI was conducted as a follow-up to a MRI four months ago which detected a 3mm lesion in the right frontal temporal lobe, with a likely DX of a cavernous angioma.
  Those "big words" are found in two sentences detailing diffculty in reproducing the exact dimensions captured on the previous MRI. The sentence is: "I have not been able to reproduce the apparent enhancing lesion noted on the previous MR examination. I would if this apparent abnormality could be due to partial volume averaging of vessels lying along the superior aspect of the hippocampus". One more - "lacunar infaraction".
  I will be discussing the MRI results in depth with my Neurologist in the New Years, but I spinning in circles trying to translate a MRI report he regards as good news!
  Any assistance or guidance you may be able to provide would be greatly welcomed!
  Again, many thanks and best wishes for the Holidays!  
      
=======================================================================
Thanks for your question.  
"I have not been able to reproduce the apparent enhancing lesion noted on
the previous MR examination. I would if this apparent abnormality could be
due to partial volume averaging of vessels lying along the superior aspect
of the hippocampus".
Ans: A contrast substance (gadolinium) was used on both MRI scan; an
"enhancing lesion" is one that is "brighter" when gadolinium is injected.
It most often represents a form of local tissue damage where there is
break-down of the normal blood-brain barrier, thus the contrast "leaks" out
to the brain tissue.  The second sentence attempts to explain the presence
of a possible "abnormality" during the first MRI scan, which might have
resulted from surrounding blood vessels (containing the contrast), and NOT
the presence of an ACTUAL lesion.

"lacunar infarction".  A brain infarct is an area of brain tissue that died
because of the lack of blood supply.  The most common causes for the blood
vessel obstruction is a clot formed locally (thrombus from atherosclerotic
damage), or a clot formed elsewhere (embolus from the heart).  A lacunar
infarct is an infarct that result from the obstruction of small brain vessels,
and usually smaller that 1 cm in diameter.
I hope this information is helpful.  Best of luck.
This information is provided for general medical education purposes only.
Please consult your doctor regarding diagnostic and treatment options.





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