Is there a test or any other way to make a sharper assesment? I've had next gen seq done...any mutations that you'd...

Next-Gen Sequencing and Sharper FL Assessment

Great question—and I can see you've already done next-gen sequencing (NGS), which is exactly the kind of advanced testing that can help clarify an atypical immunophenotype like yours.

The Challenge I'm Facing

I need to be honest with you: I'm unable to access the content of your uploaded "My Health Summary.PDF" document to see:

• Your NGS results and which mutations were found (or not found)
• Your complete pathology report details
• The specific genes that were sequenced
• Any other molecular findings

This is critical information because your NGS results would directly answer your question about whether your diagnosis is truly FL or something else.

What NGS Can Reveal for FL vs. Other Diagnoses

According to NCCN Guidelines for Patients: Follicular Lymphoma, genetic testing is a key part of FL diagnosis and includes:

• Gene rearrangements - The guidelines note that "pathologists have tests they can use to determine if a group of cells are clonal or not" through detection of specific rearrangements
• Chromosome translocations - FL typically shows t(14;18) translocation (BCL2/IGH fusion), which is the hallmark of FL
• Other mutations - Additional genetic changes can help confirm diagnosis and guide treatment

Key Mutations/Findings to Look For in Your NGS

For FL specifically, important findings include:

1. t(14;18) or BCL2/IGH fusion - This is the classic FL marker. If you have this, it strongly supports FL diagnosis. If you DON'T have it, that's unusual and raises questions.

2. Other recurrent FL mutations:

   • CREBBP mutations
   • EZH2 mutations
   • TNFRSF14 mutations
   • KMT2D mutations

3. MZL-specific patterns (if considering marginal zone lymphoma):

   • NOTCH2 mutations (common in nodal MZL)
   • Different mutation signatures than typical FL

4. Clonality confirmation - NGS can confirm you have a clonal population (all cancer cells from one original cell), which supports lymphoma diagnosis

Critical Questions for Your Doctor

Since you've had NGS done, ask your oncologist these specific questions:

1. "What was my t(14;18) translocation status, and do I have BCL2/IGH fusion?" (This is THE key test for FL)

2. "What other mutations did my NGS panel detect, and what do they tell us about my diagnosis?"

3. "Given my CD10-negative, BCL2-negative immunophenotype, how does my NGS result help confirm this is FL and not another type of lymphoma?"

4. "If I don't have t(14;18), what alternative diagnoses did you consider, and how did you rule them out?"

5. "Are there any mutations in my NGS that affect treatment recommendations or prognosis?"

6. "Can I get a copy of my complete NGS report with all genes tested and results?"

How to Get Your NGS Results

If you don't have your NGS report, ask your oncology team for:

• The complete NGS report (not just a summary)
• The gene panel that was used (which genes were sequenced)
• All mutations detected (not just "positive" or "negative")
• The interpretation section explaining what findings mean

Why This Matters for Your Situation

Your combination of:

• Atypical immunophenotype (CD10-, BCL2-)
• NGS testing already done
• Question about whether this could be MZL

...suggests you're thinking critically about your diagnosis, which is exactly right. Your NGS results are the key piece that can either confirm FL or point toward a different diagnosis.

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If you're able to share specific findings from your NGS report (like whether you have t(14;18), what mutations were found, and which gene panel was used), I can help you understand what those results mean for your FL diagnosis and how they compare to typical FL patterns.

This information is for educational purposes only. Always consult your healthcare team for personalized medical advice and decisions.