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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What does " hemogeneously dark T1 weighted signal within the bone marrow" mean?

i had an mri of my neck and it indicates i have hemogeneously dark T1 weighted signal within the bone marrow.....I havent smoked in 12 years and never been anemic
this is among several other problems in my neck. I am 51and a female. I have been diagnosed with fibromyalga and a "mild" case of ms. I have big problems with exhaustion, migraines, weakness in my armsand hands, muscle spasms,tremors numbness and tingling. all of the symptoms are come and go. but for the most part Im always exhausted.
Wed, 3 Sep 2014
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Radiologist 's  Response
Hi,
Thanks for writing in.

A homogeneously dark bone marrow on T 1 sequence refers to normal marrow signals in most cases. This is due to the fact that there is red marrow in your neck vertebrae. With age, the red marrow is replaced with fat and appears lighter. The changes in marrow appearances are a part of normal aging and has nothing to do with your illness.

I would like to know details on your MRI findings so that I can discuss your symptoms in detail. There might be cord signal changes which are important considering your problems.
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Radiologist Dr. Vivek Chail's  Response
Hi,
Thanks for writing in.

A homogeneously dark signal on T1 in the marrow of neck region is an acceptable finding. It most likely refers to the presence of red marrow in which the marrow is always dark but slightly lighter than the muscles.. With age the marrow changes from red to yellow and in the spine it changes very slowly with almost 75 percent red marrow till 30 years of age. Please have a discussion with your doctor on diagnosis of mild MS.
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What does " hemogeneously dark T1 weighted signal within the bone marrow" mean?

Hi, Thanks for writing in. A homogeneously dark bone marrow on T 1 sequence refers to normal marrow signals in most cases. This is due to the fact that there is red marrow in your neck vertebrae. With age, the red marrow is replaced with fat and appears lighter. The changes in marrow appearances are a part of normal aging and has nothing to do with your illness. I would like to know details on your MRI findings so that I can discuss your symptoms in detail. There might be cord signal changes which are important considering your problems.