Blood Clots, DVT and Neuroendocrine Cancer - Be aware.

Posted by splendrous @splendrous, May 29, 2025

Last week I woke up with a swollen arm and went to the ER as I was also very weak. I was diagnosed 9/24 with metastatic neuroendocrine cancer in the liver, well-differentiated, non functioning, Ki 6-8%.

No doctor had ever mentioned that a cancer diagnosis increased my risk of blood clots. So assuming that many on this forum would also find this new news.

If you have diabetes, over weight, smoke, high cholesterol, hyper tension, or a woman, your risk is increased in addition to the cancer diagnosis.

I was diagnosed with DVT that is attributed to my metastatic cancer. Outside of being a woman, I have no other contributing factors.

Expected that I will continue to be at risk with metastatic cancer and will be on blood thinner for the rest of my life.

Most of the time it is found in the leg, but mine was the exception to be in the arm.

A Jan 2025 NIH article might be of interest. Conclusions: Venous thromboembolism is a significant complication in NEN patients, especially in advanced or poorly differentiated tumors. Early detection and targeted management are critical for improving outcomes. Pancreatic NENs exhibited the highest thrombotic burden, particularly in poorly differentiated and advanced-stage tumors.

When a blood clot dislodges from its original location and travels to the lungs, where it can block an artery. That condition is very dangerous and can sometimes be fatal.

Blood clots are a very common side effect of cancer. And aside from the cancer itself, they are the second most common cause of death among cancer patients. So, if you think you might be developing one, don’t wait. Contact your care provider right away and get it checked out.

There are a few things you can do to reduce your risk of blood clots.

Sometimes, even otherwise healthy people will notice some ankle swelling if they’ve been sitting in the same position for a long time, like on a transatlantic flight. So, try to avoid long periods of inactivity or immobility. Get up and walk around frequently to keep your blood flowing, whether you’re in your car on a long trip or sitting at your desk or on the sofa.

If you have any injury to your legs or body, be vigilant about watching yourself for symptoms.
If you’re carrying excess body weight, look into weight loss programs.
And if you smoke, quit now.
https://pubmed.ncbi.nlm.nih.gov/39857994/

Interested in more discussions like this? Go to the Neuroendocrine Tumors (NETs) Support Group.

Profile picture for Teresa, Volunteer Mentor @hopeful33250

@dbjoyce
Oh, I'm so sorry to hear of your loss! It sounds as if your dad had a number of health issues. I would encourage you to take a look at the Grief and Loss support group on Connect. We have many members who post about their grief. I'm sure you will find a lot of support.
Here is a link to that group: https://connect.mayoclinic.org/group/loss-grief/

Do you have friends and family who can support you in your loss?

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@hopeful33250 Thank you.

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I have been successfully getting octreotide monthly shots for my liver Neuroendocrine diagnosis for 9 months now with no side effects. Recently I have been having shortness of breath and attributed to perhaps being dehydrated and living in Panama. Perhaps there is more to this

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Profile picture for mlassen1 @mlassen1

I have been successfully getting octreotide monthly shots for my liver Neuroendocrine diagnosis for 9 months now with no side effects. Recently I have been having shortness of breath and attributed to perhaps being dehydrated and living in Panama. Perhaps there is more to this

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@mlassen1 I also had shortness of breath and low oxygen levels when checked. Turned out to be a pulmonary embolism(blood clot lodged in my lung). Received immediate treatment and now take Apixaban to prevent any further occurrence. I take monthly Lanreotide shots with no side affects and stable tumors in liver.

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This is important to know. I wasn't told of the risk, and one evening I started having severe chest pain. I thought I was having a heart attack. When it didnt improve, we talked 911. The ambulance ecg was unremarkable. Luckily, the cardiologist that I used to work with immediately suspected the problem and sent me for a CT. My lungs were filled with clots. There were discussions of whether surgery was needed. They also found clots up and down my arms and legs. Patients should know that this is a serious risk even if it is uncommon.

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Profile picture for lu7 @lu7

This is important to know. I wasn't told of the risk, and one evening I started having severe chest pain. I thought I was having a heart attack. When it didnt improve, we talked 911. The ambulance ecg was unremarkable. Luckily, the cardiologist that I used to work with immediately suspected the problem and sent me for a CT. My lungs were filled with clots. There were discussions of whether surgery was needed. They also found clots up and down my arms and legs. Patients should know that this is a serious risk even if it is uncommon.

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@lu7 what treatment did they use on you when all these clots were discovered?

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Profile picture for billbo @billbo

@lu7 what treatment did they use on you when all these clots were discovered?

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@billbo Heparin in the hospital for a week, then Elaquis 5mg twice a day forever.

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Me, Apixaban, 5mg.x2 daily for reassessment in 3-6months, after pulmonary embolism. Caught in time. Yikes!!

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Profile picture for billbo @billbo

Me, Apixaban, 5mg.x2 daily for reassessment in 3-6months, after pulmonary embolism. Caught in time. Yikes!!

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@billbo FYI I see that Eliquis and Apixaban refer to the same medication.

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