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Increasing values of beta 2 microglobulin

by skar on Thu Oct 10, 2013 5:01 pm

My mom who is currently in multiple myeloma remission has started complaining of pains in ribs (same indication which she cited during initial Multiple myeloma occurrence).
Protein electrophoresis indicates that there is no M band.
Beta 2 Microblobulin is at 5004 ng/ML (clinical acceptable levels are at 2366 ng/mL).
Doctors have said that no treatment can be administered until M band is found? Her Kidney function is normal as well.
Should I be worried? Some articles suggest that higher levels of Beta 2 indicates that the Myeloma is progressing.

skar

Re: Increasing values of beta 2 microglobulin

by terryl1 on Sat Oct 12, 2013 5:22 am

Aren't they going to do any imaging tests such as PET CT or MRI to investigate the bone pain? These modalities can detect issues in the marrow.

terryl1
Name: Terry
Who do you know with myeloma?: self
When were you/they diagnosed?: August 10, 2011
Age at diagnosis: 49

Re: Increasing values of beta 2 microglobulin

by Whatsamatteru on Sat Oct 12, 2013 11:28 am

The doctors' advice regarding M protein is deficient in that multiple myeloma can evolve to forms that are no longer associated with an M band. For example, they can change to forms associated only with the production of light chains (so called "light chain escape") or no protein at all. (non-secretory). So Terry's suggestion is therefore right on point. Other blood values might be useful as progression indicators, such as Hemoglobin, calcium, and albumin.

Whatsamatteru

Re: Increasing values of beta 2 microglobulin

by Dr. Peter Voorhees on Sun Oct 13, 2013 3:01 pm

Dear Skar,

Increasing beta2-microglobulin levels can be an indicator of the multiple myeloma progressing or evidence that there has been a decline in her kidney function. In the setting of new rib pain, further work-up is in order to rule out the possibility of non-secreotry multple myeloma as a cause of her symptoms. MRI and/or PET-CT would be 2 great ways to get at this.

Good luck andf let us know how things go.

Take care!

Pete V.

Dr. Peter Voorhees
Name: Peter Voorhees, M.D.
Beacon Medical Advisor

Re: Increasing values of beta 2 microglobulin

by skar on Tue Oct 22, 2013 2:16 pm

Whatsamatteru wrote:

The doctors' advice regarding M protein is deficient in that multiple myeloma can evolve to forms that are no longer associated with an M band. For example, they can change to forms associated only with the production of light chains (so called "light chain escape") or no protein at all. (non-secretory). So Terry's suggestion is therefore right on point. Other blood values might be useful as progression indicators, such as Hemoglobin, calcium, and albumin.


Many thanks for your response. I was unaware of non-secretory multiple myeloma.

Her blood numbers were in range

Hemoglobin 12.4 g/dL
Createnine 1.2 mg/DL
Calcium 10.1 mg/dL
Albumin 4.12 g/dL

Things that were out of range

Mean Corpuscular Hemoglobin 26.2 pg (range 27.0 - 32.0)
Mean Corpuscular Volume 80.9 fL (range 83.0 - 101.0)
Red Cell distribution width 14.7 % (range 11.6 to 14.0)
Glycosylated Hemoglobin 6.4 (pre diabetic)
Man Plasma Glucose 137 mg/dL
and
Beta 2 Microblobulin 5004 ng/ML

skar

Re: Increasing values of beta 2 microglobulin

by skar on Tue Oct 22, 2013 2:19 pm

Terryl1 wrote:

Aren't they going to do any imaging tests such as PET CT or MRI to investigate the bone pain? These modalities can detect issues in the marrow.


Thanks terry, I will insist on getting the imaging tests.

skar

Re: Increasing values of beta 2 microglobulin

by skar on Tue Oct 22, 2013 2:26 pm

Dr. Peter Voorhees wrote:

Dear Skar,

Increasing beta2-microglobulin levels can be an indicator of the multiple myeloma progressing or evidence that there has been a decline in her kidney function. In the setting of new rib pain, further work-up is in order to rule out the possibility of non-secreotry multple myeloma as a cause of her symptoms. MRI and/or PET-CT would be 2 great ways to get at this.

Good luck andf let us know how things go.

Take care!

Pete V.

-------------------------------------------------

Many thanks Dr Pete. I will have the MRI and/or PET-CT scan done to rule out possibility of non-secretory multiple myeloma. I will let you know the outcome of tests.

skar


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