understanding results of FISH test

5 years 8 months ago #49211 by SmithRBOH
understanding results of FISH test was created by SmithRBOH
Hello Everyone,

I was hoping to get some insight on the results of a FISH test.

a quick background - gross hematuria 3 months ago, MRI negative showed cyst on kidney, Cytoscopy negative but doctored noted slightly enlarged prostate. After scope gave the all clear sign - nothing to worry about

then a month later calls me and tells me a test came back positive.

FISH test has 5/100 on chromosomes 3, 6,7 and 20 (I think - doing that from memory).

5/100 is considered borderline positive. Today I returned to submit another sample for a second test about 1 month from the last one.

1. Is it possible that my numbers go down to a negative range?
2. What is the range of numbers that doctors see as a result of the FISH test? Where is 5/100 in that range?
3. If the second test comes back positive, should I assume the FISH test is putting me in the category of "Anticipatory" for short term development?

would welcome first hand experiences on this.

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5 years 8 months ago #49277 by Hudsongrl
Replied by Hudsongrl on topic understanding results of FISH test
Hi there, i am no FISH test expert, except that my hubby just had one done as well. From what we learned there are quite a few false positives. I am sure this is why they are having you repeat the test. Even if the second is borderline, i'm not sure that definitely preficts an "event" down the road. These are questions your doc can answer.

Glad your cysto was clean! Best of luck to you :)
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5 years 7 months ago #49321 by SmithRBOH
Replied by SmithRBOH on topic understanding results of FISH test
well the results came back from my second test and they were worse than the first one.

from a 5% to 7%.

Doctor is concerned that it might be outside the bladder.

I'm going to have alot of sleepless nights

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5 years 7 months ago #49324 by Hudsongrl
Replied by Hudsongrl on topic understanding results of FISH test
Ont thing we were told is FISH had lots of false positives. Could that be possible? What are they saying your next step is? I feel your worry and am sorry this is causing anxiety:(
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5 years 7 months ago #49326 by Cynthia
Replied by Cynthia on topic understanding results of FISH test
What is the game plan? If the Urologist you are dealing with is taking a wait and see approach it might be time for a second opinion.
Keep us updated.

Cynthia Kinsella
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5 years 7 months ago - 5 years 7 months ago #49327 by SmithRBOH
Replied by SmithRBOH on topic understanding results of FISH test
within the next 4 weeks I will have another scope and CT scan with context focusing on the ureter.

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