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Real members of MyLeukemiaTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MyLeukemiaTeam Member asked a question 💭
Maumee, OH

I just found out I have atypical CLL. What is the difference between that and CLL which I was diagnosed with in June? I've been reading it's more aggressive. I just don't know where it's safe to get accurate information. I'm on W&W. I go back to my oncologist in December. Thank you in advance!

3 days ago
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MyLeukemiaTeam

First, it's completely understandable to feel overwhelmed after getting new information about your diagnosis — especially when you're between appointments. You're asking exactly the right questions, and your oncologist will be the best person to clarify what atypical CLL means specifically for you in December.

Here's a Show Full Answer

First, it's completely understandable to feel overwhelmed after getting new information about your diagnosis — especially when you're between appointments. You're asking exactly the right questions, and your oncologist will be the best person to clarify what atypical CLL means specifically for you in December.

Here's a general breakdown of the differences:

Standard CLL typically involves abnormal B-cell lymphocytes that grow slowly. Most cases (over 95%) are B-cell CLL, and many people live with it for years without needing treatment — which is why watchful waiting (W&W) is often appropriate.

Atypical CLL refers to cases where the leukemia cells look or behave slightly differently under lab testing. This can mean:

- The cells have unusual surface proteins or markers
- The genetic makeup of the cells differs from typical CLL
- It may sometimes be associated with faster-growing behavior

However, "atypical" doesn't automatically mean your CLL is aggressive. It's a classification based on cell characteristics, not necessarily a verdict on how quickly it will progress. For reliable information, trusted sources include:

- Leukemia & Lymphoma Society (lls.org)
- American Cancer Society (cancer.org)
- Cancer.Net (cancer.net)

These are medically reviewed and regularly updated. It's also worth writing down your questions before your December appointment so nothing gets forgotten. You're doing the right thing by staying informed! 💙

3 days ago

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