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Real members of MGteam 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 MGteam Member asked a question 💭
Hammond, IN

When my thymoma was removed the surgeon said that there were multiple lymphnodes behind my thymus gland.

November 7, 2025
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A MGteam Member

Thank you that was very detailed and i appreciate that.
I have a clear understanding now
To be clear those lymphnodes around my thymus were removed during my surgery. My surgeon was very thorough.
Thank you again 🥰

November 8, 2025
MGteam

How do lymph nodes affect myasthenia gravis during a flare-up?

Lymph nodes themselves don't directly cause MG flare-ups. However, they're part of your immune system, and understanding their role helps explain what's happening in your body.

After T cells mature in your thymus gland, they travel to your lymph nodes. In MG Show Full Answer

How do lymph nodes affect myasthenia gravis during a flare-up?

Lymph nodes themselves don't directly cause MG flare-ups. However, they're part of your immune system, and understanding their role helps explain what's happening in your body.

After T cells mature in your thymus gland, they travel to your lymph nodes. In MG, the thymus can give incorrect instructions to these developing immune cells, which may lead to the creation of abnormal antibodies that attack the signals between your nerves and muscles.

The lymph nodes your surgeon found behind your thymus were likely part of your normal immune system tissue in that area. When you had your thymoma, your thymus was producing too many harmful antibodies. Removing it can help reduce those antibodies over time.

What matters most for flare-ups are the antibodies already circulating in your system and other triggers like stress, heat, certain medications, or illness. The lymph nodes themselves are just doing their job as part of your immune system.

If you're experiencing flare-ups after your thymectomy, it's worth discussing with your neurologist. Improvement from thymectomy can take time, and about 70 percent of people see benefits, though results vary.

November 7, 2025
A MGteam Member

MG is an autoimmune disorder that attacks nerve-muscle communication; it does not typically cause lymph nodes to swell on their own. Swollen lymph nodes during a flare-up are a strong indicator of an infection (like a cold or flu), a known trigger for MG exacerbation. Lymph nodes are where the B-cells and T-cells involved in producing autoantibodies are activated, making them central to the disease's mechanism. Very rare cases have been reported where MG coexists with specific lymphoproliferative disorders like Castleman's disease or lymphoma, which do cause enlarged lymph nodes.

November 8, 2025
A MGteam Member

Hi Johanna, your supposed to have lymph nodes so unless you have nodules on them or they swell up I don't think there is anything to worry about. I had 14 removed along with my thyroid due to thyroid cancer. Been cancer free since 2008. Now dealing with this darn MG. Wishing you well in our MG journey.

November 7, 2025
A MGteam Member

I know my thymus was making anti autobidies and destroying my Good anti bodies

November 10, 2025

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