CCUS Diagnosis

My wife 29 y/o female in generally good health has just been diagnosed through the NHS with CCUS otherwise known as Clonal Cytopenia of Undetermined Significance.

This all started as she was suffering with constantly high platelets for over two years. Doctors ordered a full blood count to rule out things like anemia, vitamin deficiency, other potential blood disorders etc. All tests came back fine however platelets were still raised and continued to raise. The doctor put her forward for a bone marrow biopsy. This was done under conscious sedation due to the anxiety and uncertainty she was facing. I would urge people in the UK under the NHS to ask for this should you need one as the first time round she could not go through with it due to the pain. Second time with sedation, BBM was performed with no issues.

Results from the BMB shows she has the mutation in the DNMT3A (DNA methyltransferase 3 alpha) gene and all other findings were in line with a diagnosis of CCUS. The doctors were surprised and also a bit shocked as this isn’t something that a 29 year old female should be showing symptoms of. This is mostly common in the elderly around the ages 70+ and from reading on google, (I know I shouldn’t) it’s a lot more prevalent in males.

The doctor has mentioned that going forward, she needs to be closely monitored with regular bloods and further BMB. I know CCUS can significantly raise the chances of developing in Myelodysplastic syndrome (MDS) and even Acute myeloid leukaemia (AML) however there doesn’t seem to be that much research done on this especially in younger people or in the UK

I’m also a bit confused how this started from high platelets however CCUS is due to a low blood count? We have decided to get a second opinion as we are lucky enough to have private medical insurance through our workplace.

This seems like quite a lonely and confusing diagnosis as it seems to be a ‘watch and wait game’ however this isn’t helping the constant fatigue she is feeling which I assume is down to this diagnosis. I guess I’m just wondering if anyone else is going through something similar who could provide any advice. It really helps me when I can talk with people who may be experiencing similar things!

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Hello there @Willybob - welcome to the Forum. I’m sorry to hear about your wife’s diagnosis, especially at her age, and I’m glad you’ve found us.

The active monitoring (watch and wait) approach can be tough, can’t it? Especially when your wife is dealing with constant fatigue and you’re both left feeling like you’re just waiting for something to happen. I think getting a second opinion is a really sensible idea, and it’s good that you have private insurance to be able to do that.

The questions you’ve raised about the high platelets versus low blood counts, and about the fatigue - these are really important things to discuss with your wife’s haematology team, and I’m afraid I can’t give that advice. However, I’ll also tag the wonderful @BloodCancerUK_Nurses in case they’ve got anything to add.

There’s also some information on the Blood Cancer UK website about Myelodysplastic syndrome (MDS), which mentions CCUS as one of the related conditions. I know that your wife doesn’t have Myelodysplastic syndrome (MDS), but understanding a bit more about the conditions that doctors are keeping an eye out for might help make sense of why/how they’re monitoring her.

I can understand why it feels like a lonely diagnosis to navigate, but you don’t have to do it on your own. Blood Cancer UK’s Support Services team have specialist haematology nurses who you can talk things through with - they’re available on 0808 2080 888 or via email at support@bloodcancer.org.uk. They can help you understand what to expect going forward and answer some of the questions that are coming up between appointments.

And you’re very welcome here on the forum - whilst not necessarily exactly in you and your wife’s situation, there are quite a few people here who are on active monitoring for various blood conditions and blood cancers, and who understand that particular kind of uncertainty and anxiety.

Please do keep posting and let us know how you’re both getting on.

Take care,

Ceri - Blood Cancer UK Support Services

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