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Doctor insights on: Hla A

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Can a person have a negative RA titre have rheumatoid arthritis?

Can a person have a negative RA titre have rheumatoid arthritis?

Arthritis: There are many types of arthritis, some of which are degenerative or post-traumatic. The other general kind of arthritis is inflammatory. The classification of type requires a history, examination, diagnostic x-rays, and if indicated, blood tests. Treatment is determined by type of arthritis. Not all patients with RA have positive blood tests. Occasionally, blood tests are done a few times. ...Read more

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Is hla b27 testing a very common procedure?

Is hla b27 testing a very common procedure?

Yes: There are several labs which run this test. It looks for a protein on the surface of your white blood cells. ...Read more

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Is testing positive for HLA-B27 a good thing?

Is testing positive for HLA-B27 a good thing?

Maybe: You're more at risk for reactive arthritis and ankylosing spondylitis, and finding you have HLA-B27 may help clinch the diagnosis if it seems likely already. Why were you tested? The vast majority of folks who are positive never have any problems with it whatsoever. ...Read more

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I had a positive HLA B27, positive ANA, positive SM anitobody, and a positive RNP. and Raynauds, is this likely Lupus?

I had a positive HLA B27, positive ANA, positive SM anitobody, and a positive RNP. and Raynauds, is this likely Lupus?

Lupus is a clinical: Diagnosis, made based on the presence of physical symptoms and specific organ involvement and is not a diagnosis made by the presence of a genotype or auto antibody. What symptoms have you had that prompted your physician to do this series of tests? What is the opinion of the rheumatologist seeing you (or are you still awaiting a visit with rheum?) These disorders are complex/overlap. Talk w/ URMD ...Read more

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A Rh positive blood type?

A Rh positive blood type?

Dominant: Positive is dominant over negative. You get one gene from each of your parents, so you are either --, -+, +-, or ++. Only in the case of -- will you have rh negative blood. With -+, +-, and ++, you will have rh positive blood. This makes rh positive blood the most common type of the two. This can be a problem with a baby: if mom is rh pos (+-), dad is rh neg (--), and baby is rh neg (--): attack! ...Read more

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Is a negative a rare blood type?

Is a negative a rare blood type?

Blood type: Consists of blood group a, b, ab or o combined with rh factor positive or negative. Lacking this cell surface marker (rh negative), neg folks cannot take blood products from people who are rh positive, as your body will reject them, followed by blood group. Rh negative folks are not rare in number. They are simply more restricted, based on that neg factor, from whom they can receive. ...Read more

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Could a person with b positive blood donate a kidney to someone with o positive blood?

Could a person with b positive blood donate a kidney to someone with o positive blood?

Kidney donation: A person with O type of blood can receive a donor kidney only from a O blood type patient, so the answer to your question is "No". ...Read more

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A positive ANA test 1;320 titer, with a speckled pattern... Does it mean I have an autoimmune disease...

A positive ANA test 1;320 titer, with a speckled pattern... Does it mean I have an autoimmune disease...

Not necessarily: The ANA is a screening test for lupus but is not specific. It can be positive in numerous other diseases and in normal people. It has to be evaluated in the context of the clinical picture and the results of other autoantibody tests. ...Read more

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Would a diagnosis of neurofibromatosis 1 be a disqualifier for being a living kidney donor?

Would a diagnosis of neurofibromatosis 1 be a disqualifier for being a living kidney donor?

No: As you are not transmitting genetic disease as in sperm donor , if you are healthy and your own health is not at risk , kidney donation is permissible ...Read more

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Can a blood group a positive mother and a blood group b positive father give birth to an o positive child?

Blood types: Yes. Blood type is determined by the presence or absence of genes encoding the a or b protein on the red blood cell surface. It only takes one copy of the a or b gene to generate the respective protein. So if the mother was ao and the father was bo they would have a 25% chance of an oo child. If either parent had two copies of the gene an o type would be impossible. ...Read more

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Is it ok for a b-positive blood type person to marry a rhesus negative person?

Is it ok for a b-positive blood type person to marry a rhesus negative person?

Yes, not Right Issue: Blood type: thousands of proteins on the surface of cells. Abo & rh were the first 2 & most important (in terms of transfusion reactions) types characterized historically. There are hundreds more "types". O means neither a or b. A means a from 1 parent. B means b from 1 parent. Thus a+a, b+b, a+b or o. Rh+ means present. Rh- means not present. A o+rh- mom might reject a+b+rh+ fetus but usually ok. ...Read more

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What is a positive SM antibody blood test for SLE?

What is a positive SM antibody blood test for SLE?

Marker for SLE: Systemic lupus erythematosus can exist without a positive test result but a positive result =SLE. This is not a happy Dx, but some people are well managed by good treatment and compliance w/ recommendations for how to live. A specialist Health Psychologist is often a great asset in learning how to deal w/ the condition and symptoms that can include and/or cause emotional problems. Best! ...Read more

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Is a antinuclear antibody blood a sensitive test?

Is a antinuclear antibody blood a sensitive test?

Yes: Yes, the ANA is sensitive in the case of lupus erythematosus meaning that if you have lupus, the ANA will be positive over 99% of the time (few false negatives). However, it is very non-specific meaning that if you have a positive ana, you may have lupus or some other disease or nothing at all (many false positives). ...Read more

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Is a lumbar puncture a test for lymes disease?

Is a lumbar puncture a test for lymes disease?

Only if neuro suspec: Only if neurologic disease is supect.

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Docs, could a man of blood group o positive marry a woman of blood group o negative?

Docs, could a man of blood group o positive marry a woman of blood group o negative?

Of course: Foregoing marrying the person you love out of fear of erythroblastosisi fetalis is not necessary. Your physician can prevent sensitization using standard medical treaments (RhoGam). ...Read more