Explanation wanted of ANA numbers and patterns and their relationships

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Ellie27
Regular Member


Date Joined Oct 2008
Total Posts : 118
   Posted 3/23/2010 11:55 PM (GMT -6)   
I heard a comment about ANA numbers and patterns by Amy very recently...and I was just wondering what the possible number and pattern could mean. I've had a few diffferent ones show up at diff times with my work. Once in 2007 my ANA was 1:640 with Nucleolar, in 2008 it was ANA 1:160 Nucleolar, in 2009 my ANA was 1:320 Speckled patter and 1:160 Homogeneous pattern. Obviously it's positive for me, but weird to realize that the number changes so much and different patters...just me being curious again, thanks.

-Ellie
It is God that gives me the strength to carry on in the valleys of life and the wings to fly to the mountain tops

<FONT color=#008000>Dx: Diagnosed with Epilepsy Jan 2005, SLE July 2007, since then, Raynauds, Alopetia Areta, Vasculitis, discoid lesions, Endemetriosis March 2008. Meds: Tegretol, Imuran, Plaquenil, quite often Flurbiprofen and Rabeprezole, as well as various other supplements/vitamins.


okie
Veteran Member


Date Joined Dec 2006
Total Posts : 2818
   Posted 3/24/2010 8:25 AM (GMT -6)   
Hi Ellie, this is somthing lynnwood has posted awhile back. Ok it was 3 years ago lol. but it hasn't changed.

"The homogeneous (smooth) pattern is found in a variety of connective tissue diseases as well as in patients taking particular drugs such as certain anti-arrhythmics, anti-convulsants or anti-hypertensives. This pattern is also the pattern that is most commonly seen in healthy individuals who have positive ANA tests.

The speckled pattern is found in SLE and other connective tissue diseases, while the peripheral (or rim) pattern is found almost exclusively in SLE. The nucleolar pattern is found primarily in patients who have scleroderma."

I have never heard of a pattern changing though. I guess it's possible especially since yours did but changing twice I guess just call me a dumby I never heard that before.
as for the numbers
1:80 is high normal. the numbers double all the time. like the next number after 80 would be 1:160,320,640, and so on. Mine has been between 1280 and 2560. nucleolar pattern. Which suggest scleraderma. but I wouldn't put my doctors in the same room together cuz they would fight it out. My rheumy says it's scleraderma my internist says it's lupus. They all agree it's auto immune and they treat everything with the same drugs but it frustrates me.
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Post Edited (okie) : 3/24/2010 7:41:48 AM (GMT-6)


AmyTx
Regular Member


Date Joined Dec 2006
Total Posts : 185
   Posted 3/24/2010 8:36 AM (GMT -6)   
my pattern has always been the same.. my ANA numbers however will flucuate..when i was diagnosed mine was 1:640 and when i was at my all time sickest my ANA was 1:2460 and my DsDNA was 1:5120...have you had a DSDNA test performed before it kinda gives the doctors of your disease activity...
Female: 38 yrs/old DX: Lupus (dx:'03) MCTD, Raynaud's, Anxiety./panic disorder, GERD, Antithyroid antibodies, Lupus Cebritis, Lupus CNS, Lupus Pneumonitis and Stage 3 & 5 Lupus Nephritis. PRES ,Seizures, Photosensitivity since childhood, vasculitis, left thumb and toe amputated from raynauds, Sjogren's
Meds: cellcept, Plaquenil,Prednisone 10 Mg/Day,Miracle mouthwash,Xanax, Darvocet, Xopenex inhaler, Xopenex Nebulizer, Spiriva, prevacid, aspirin 325mg, pantaprozole and carafate


Chardie
New Member


Date Joined Mar 2010
Total Posts : 1
   Posted 3/26/2010 6:52 PM (GMT -6)   
I just received my test results in the mail and was wondering what it all means since I don't see a doctor until Monday..

ANA Screen: Positive
ANA Titer: 1:80
ANA Patterern: Mixed; Homogeneous and Speckled

Can anyone help??

Lynnwood
Forum Moderator


Date Joined May 2005
Total Posts : 5622
   Posted 3/26/2010 6:56 PM (GMT -6)   
The Antinuclear Antibody (ANA or FANA) Test

Positive ANA
The immunofluorescent antinuclear antibody (ANA or FANA) test is positive in almost all individuals with systemic lupus (97 percent), and is the most sensitive diagnostic test currently available for confirming the diagnosis of systemic lupus when accompanied by typical clinical findings. When three or more typical clinical features are present, such as skin, joint, kidney, pleural, pericardial, hematological, or central nervous system findings as described above, a positive ANA test confirms the diagnosis of systemic lupus.

Weakly positive ANA
The test can even be weakly positive in about 20 percent of healthy individuals. While a few of these healthy people may eventually develop lupus symptoms, the majority will never develop any signs of lupus or related conditions. The chances of a person having a positive ANA test increases as he or she ages.

Negative ANA
A negative ANA test is strong evidence against lupus as the cause of a person's illness, although there are very infrequent instances where SLE is present without detectable antinuclear antibodies. ANA-negative lupus can be found in people who have anti-Ro (SSA) or antiphospholipid antibodies.

ANA Titers and Patterns
ANA laboratory reports include a titer (pronounced TY-tur) and a pattern.

* The titer indicates how many times the lab technician had to dilute plasma from the blood to get a sample free of the antinuclear antibodies.
o For example, a titer of 1:640 shows a greater concentration of anti-nuclear antibodies than a titer of 1:320 or 1:160.
* The apparent great difference between various titers can be misleading.
o Since each dilution involves doubling the amount of test fluid, it is not surprising that titer numbers increase rather rapidly.
o In actuality, the difference between a 1:160 titer and a 1:320 titer is only a single dilution. This does not necessarily represent a major difference in disease activity.
o ANA titers go up and down during the course of the disease, and a high or low titer does not necessarily mean the disease is more or less active.
o Therefore, it is not always possible to determine the activity of the disease from the ANA titer.
o A titer above 1:80 is usually considered positive.
o Some laboratories may interpret different titer levels as positive, so one cannot compare titers from different laboratories.

* The pattern of the ANA test can sometimes be helpful in determining which autoimmune disease is present and which treatment program is appropriate.
o The homogeneous, or smooth pattern is found in a variety of connective tissue diseases, as well as in people taking particular drugs, such as certain antiarrhythmics, anticonvulsants or antihypertensives.
o This homogenous pattern is also the one most commonly seen in healthy individuals who have positive ANA tests.
o The speckled pattern is found in SLE and other connective tissue diseases
o The peripheral, or rim pattern is found almost exclusively in SLE.
o The nucleolar pattern, with a few large spots, is found primarily in people who have scleroderma.

Because the ANA is positive in so many conditions, the results of the ANA test have to be interpreted in light of the person's medical history, as well as his or her clinical symptoms. Thus, a positive ANA alone is never enough to diagnose lupus. On the other hand, a negative ANA argues against lupus but does not rule out the disease completely.

A Positive ANA Does Not Equate to Having a Disease
The ANA should be looked at as a screening test. If it is positive in a person who is not feeling well and who has other symptoms or signs of lupus, the physician will probably want to conduct further tests for lupus.

If the ANA is positive in a person who is feeling well and in whom there are no other signs of lupus, it can be ignored. If there is any doubt, a consultation with a rheumatologist should clarify the situation.
Lynnwood, Lupus & Sjogren's Moderator
"Life is far too important to be taken seriously" - Oscar Wilde

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