Heart Tumors: What Is a Papillary Fibroelastoma?

By Dr. Priya Sammani ( MBBS, DFM )

Sometimes, news from the doctor’s office can feel like it comes out of left field. You go in for one thing, maybe a routine check-up or because you’ve just been feeling a bit off, and an imaging test shows something… unexpected. A little blip on the screen. That’s often how we stumble upon something called a Papillary Fibroelastoma.

It’s a mouthful, I know. Let’s break it down.

Understanding Papillary Fibroelastoma: That Little Blip

So, what exactly is a Papillary Fibroelastoma? Well, it’s a type of tumor that grows in the heart. Now, the word “tumor” can be scary, but the good news here is that these are almost always benign, meaning noncancerous. They start right there in the heart, so we call them primary heart tumors.

The tricky part? Even though it’s not cancer, a Papillary Fibroelastoma can still be a bit of a troublemaker. The main worry is that a piece of it could break off and travel through your bloodstream. We call this an embolic event, and if that piece lodges somewhere critical, like the brain, it can cause serious problems, such as a stroke.

Most of the time, about four out of five cases, these little growths are found on one of your heart valves. In fact, they’re the most common type of tumor we see on heart valves.

Which Heart Valves Are We Talking About?

Usually, these tumors prefer the left side of your heart. So, we often find them on the:

  • Aortic valve (this is the most common spot)
  • Mitral valve

Less often, they might pop up on the tricuspid or pulmonary valves, which are on the right side of your heart.

One interesting thing is that Papillary Fibroelastomas typically don’t mess with how well your valve is working. They tend to grow on the “downstream” side of the valve – that’s the part where blood flows away from the valve. This is a bit different from another type of heart tumor you might hear about, called a cardiac myxoma. Myxomas are usually bigger and are more likely to get in the way of the valve’s job. Plus, myxomas are less often found directly on the valves themselves.

While valves are the prime real estate, about 95% of the time on the left side of the heart, these tumors can, very rarely, grow from the lining of the heart chambers themselves, particularly the left ventricle.

How Can This Tiny Growth Affect Me?

The big concern with a Papillary Fibroelastoma is its potential to cause trouble by sending little bits (emboli) or triggering blood clots that travel. These can end up in various places, including:

  • Your brain (leading to a stroke or transient ischemic attack, sometimes called a TIA or mini-stroke)
  • Your coronary arteries (the heart’s own blood supply, potentially causing a heart attack)
  • Your kidneys, lungs, the retinas in your eyes, or even your spinal cord.

If a clot travels, it can lead to serious issues like a heart attack, stroke, or a dangerous heart rhythm problem called ventricular fibrillation.

Sometimes, if the tumor is on the aortic valve, it can actually block blood flow into your coronary arteries. This might cause angina (chest pain) when you’re active, and in rare cases, could even lead to sudden cardiac death. It’s a small thing, but it can have big consequences.

Who Gets These?

Papillary Fibroelastomas are most often found in adults over 40, with the average age at diagnosis being around 60. It’s very uncommon, but occasionally we see them in babies and children who have congenital heart defects (heart problems they’re born with).

As for how common they are, well, primary heart tumors in general are rare, affecting fewer than 1 in 2,000 people. Papillary Fibroelastomas and cardiac myxomas are the most frequent noncancerous ones we see. Honestly, we don’t know the exact numbers because many are found only after someone has passed away, during an autopsy.

What Might I Notice? Symptoms (Or Lack Thereof)

Here’s a tricky part: more than half of people with a Papillary Fibroelastoma don’t have any symptoms at all. Zero. It’s just… there.

When symptoms do show up, they can include:

  • Angina (that chest pain or discomfort I mentioned)
  • Syncope (fainting spells)
  • Shortness of breath
  • Symptoms of a transient ischemic attack (TIA) or a full-blown stroke (like sudden weakness, numbness, trouble speaking, or vision changes)

What’s Behind It? The Causes

The honest answer? We don’t know the exact cause. Many of us in the medical field think they might develop after some kind of minor damage to the endothelial cells – those are the cells that line your heart and blood vessels. Little blood clots might then gather at this spot of injury and, over time, form a growth. But that’s still a theory we’re working with.

Finding Out: Diagnosis and Tests

Often, a Papillary Fibroelastoma is an “incidental finding.” That means we find it by chance when we’re doing imaging tests for a completely different reason. Or, we might discover it when we’re trying to figure out why someone had a stroke.

The Go-To Test: Echocardiography

The main tool we use to spot these is an echocardiogram, which is basically an ultrasound of your heart.

  • We usually start with a transthoracic echo (TTE). This is where a probe is moved over your chest.
  • Sometimes, if we need a clearer picture, especially for very small tumors or to see the area in more detail, we might do a transesophageal echo (TEE). For this one, a small probe is passed down your esophagus (your swallowing tube), which sits right behind the heart, giving us a really good view.

What Does It Look Like on the “Echo”?

It’s quite distinctive, actually. On an echocardiogram, a Papillary Fibroelastoma often looks like a tiny sea anemone. Weird, right? It has these little finger-like projections, or “fronds,” waving around.

The tumor itself is usually small, typically less than 1 centimeter. It’s often pedunculated, which means it’s attached by a little stalk or stem. This stalk allows it to be quite mobile, swaying back and forth with the blood flow.

What We Do About It: Management and Treatment

If we find a Papillary Fibroelastoma, surgery is usually the recommended treatment. The goals of surgery are to:

  1. Remove the entire tumor.
  2. Have a good look around the rest of your heart to make sure there aren’t any others hiding.
  3. Fix any damage the tumor might have caused. This could mean valve repair or replacement if needed.

Even if you’re not having any symptoms, we often recommend surgery. Why? To reduce the risk of those serious complications down the road, like a stroke.

Surgery often means traditional open-heart methods. However, for some folks, minimally invasive robotic surgery might be an option. It really depends on your specific situation, and we’ll talk through what’s best for you.

If surgery is considered too risky for you for other health reasons, then we might recommend anticoagulants (blood thinners). These don’t get rid of the tumor, but they can help lower your risk of forming blood clots.

What to Expect: The Outlook

For people who have surgery to remove a Papillary Fibroelastoma, the outlook is generally very good. There’s a low chance of the tumor coming back. And since it’s not cancerous, we don’t have to worry about it spreading to other parts of your body.

Living With This Diagnosis

Because these heart tumors are often found by accident, it really highlights why keeping up with your regular medical check-ups and any follow-up appointments is so important. When we find things early, they’re often easier to manage. If left alone, a Papillary Fibroelastoma could potentially grow or cause those embolic problems we talked about.

If you do have open-heart surgery, your body will need some time to heal. We’ll discuss any activity restrictions you’ll have for a few weeks after the procedure. Often, cardiac rehab can be really helpful in getting your strength and confidence back.

Questions to Ask Your Doctor

If you’ve been told you have a Papillary Fibroelastoma, it’s natural to have questions. Don’t hesitate to ask! Things like:

  • How big is the tumor?
  • Where exactly is it located in my heart?
  • Is it affecting how my heart is working?
  • Do I need surgery? If so, how soon?
  • What do I need to do to prepare for surgery?
  • What will recovery be like?
  • What are the risks involved with the surgery?
  • What’s my long-term outlook after treatment?
  • How often will I need follow-up appointments or tests?

A Quick Note on “Heart Masses”

You might hear the term “mass on your heart.” This is a general term for any kind of unusual growth (tumor) in the heart. These cardiac tumors can be cancerous or noncancerous. They can start in the heart (like a Papillary Fibroelastoma, which is primary) or spread to the heart from cancer elsewhere in the body (which we call metastatic).

It’s rare for a tumor to start in the heart. But among those that do, Papillary Fibroelastomas are one of the most common types we see, along with those cardiac myxomas I mentioned earlier.

Take-Home Message: Papillary Fibroelastoma Facts

Alright, let’s boil it down. If you’re dealing with a Papillary Fibroelastoma, here’s what’s important to remember:

  • It’s a benign (noncancerous) tumor that starts in your heart, often on a valve.
  • Many people have no symptoms, and it’s often found by chance.
  • The main risk is embolization – a piece breaking off and causing a stroke or other blockages.
  • Echocardiography (heart ultrasound) is the key diagnostic tool.
  • Surgery to remove it is the usual treatment, even without symptoms, to prevent future problems.
  • The outlook after surgery is generally very good.

This can be a lot to take in, especially if it’s an unexpected finding. But remember, we have good ways to find and treat these. We’ll walk through every step together.

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