Have you ever noticed something like a small ball or a watery blister inside your mouth, especially under your tongue? It can be a little blue, or sometimes it can be clear. It's normal to feel a little scared when you see this. In fact, this is what we call a Ranula in medical science. So don't panic when you hear this name. Today, we will talk about this condition called Ranula, how it develops, what are the symptoms, and what are the treatments, all in a simple way that you can understand.
What is a Ranula?
Simply put, a ranula is a fluid-filled lump or blister that forms inside your mouth, under your tongue. To be precise, it's a ``cyst.'' It's filled with saliva. Yes, you guessed it, it's filled with saliva that's produced in our mouths.
Now you may be wondering why this happens. This happens when a salivary gland in our mouth is either blocked or damaged. Normally, the saliva from these salivary glands flows directly into our mouth. This is when our mouth does not dry out and makes it easier to swallow food. However, when this gland is blocked or damaged, instead of flowing into our mouth, saliva starts leaking into the surrounding tissue. Gradually, the saliva accumulates and forms a lump or a bump, as I mentioned.
There are two main types of these ranulae:
1. Simple Ranula: This is a swelling that occurs only inside the mouth, under the tongue. This means that the problem is only inside the mouth.
2. Plunging Ranula: This is a little different. Here, the swelling starts inside the mouth and moves down towards the neck, that is, down. So sometimes, the neck may look like it's swollen without anything major being visible inside the mouth.
Is this Ranula dangerous?
Many people think, "Oh, is this cancer?" when they see something like this. But the best thing is, ranulas are not cancer. And they are not dangerous. Sometimes, if you have small ranulas, they can get better on their own without any treatment.
However, some ranulas grow larger. It's only when they get bigger that problems can arise. For example, if it gets too big, you may have difficulty breathing or swallowing. In such cases, treatment is definitely needed. So don't panic if you see a small one, but it's important to keep an eye on it to see if it gets bigger or if there are any other problems.
Who gets ranula?
This is something that can develop at any age, regardless of gender. However, according to statistics, this condition is more common in young people between the ages of 20 and 40 and in young children .
It is also said that these ranulas are more common among some ethnic groups in the world, for example, the Maori people of New Zealand and the Polynesian people of the Pacific Islands. The exact reason for this is not clear.
How common is this condition?
Ranula is one of the diseases that occur in the salivary glands, but it is not very common overall. For example, in a country like America, it is reported to occur in about one to two people out of every 1,000 people. This means that it is not a disease that affects everyone.
What are the symptoms of a Ranula?
If you suspect you have a ranula, look for these symptoms:
- A clear or slightly blue blister or bump inside the mouth, under the tongue: This is the main and most common symptom of a ranula. It looks like a water bubble.
- Swelling: This cyst can grow to about 2 to 3 inches (5 to 7.5 centimeters) in size. Sometimes, the fluid inside it can drain and the swelling can decrease, or it can fill up again and the swelling can increase. It can also get bigger over time.
- Swelling in the neck (in the case of a plunging ranula): As I mentioned before, if it's a 'plunging' type of ranula, you won't see anything big inside your mouth, just a swelling on one side of your neck.
The important thing is, if this ranula continues to grow, it can cause you problems like:
* Difficulty swallowing food and drink.
* Difficulty breathing: The reason for this is that as the tumor grows, it can compress our trachea, that is , the bronchi .
A ranula is usually painless. However, when the cyst becomes large and filled with fluid, some people may experience a slight discomfort or tightness due to the pressure.
What causes Ranula?
As mentioned earlier, a ranula forms when saliva from a salivary gland leaks into the surrounding tissue instead of flowing properly into the mouth. So why does this happen? There are several possible reasons:
- Blockage or damage to a salivary gland: This is the main cause. This can happen if something, such as a small stone, gets stuck in the salivary duct, or if the gland is damaged by something, such as an infection.
- An injury or accident in the mouth: Imagine that you suddenly bite the bottom of your tongue while eating, or you accidentally hit something in your mouth while playing. Or, say, you hit it hard while brushing your teeth. Even a minor accident like that can damage a salivary gland and cause a ranula.
- Sometimes they form for no apparent reason: Strange, isn't it? But there are some cases where a ranula forms even when no specific cause can be found.
Is Ranula contagious?
This is also a question that many people ask. No, ranula is not a contagious disease. Because it is not caused by an infectious organism like bacteria, viruses, or fungi. It is caused by a change in the functioning of the salivary gland. Therefore, there is no reason to be afraid that you have a ranula and that it will spread to others.
How to identify a Ranula? (Diagnosis)
Usually, when a doctor sees a swelling inside your mouth, under your tongue, they immediately suspect that it could be a ranula because it looks a little peculiar.
However, to confirm the suspicion, and to find out exactly how far it has spread and whether it has spread to the neck, your doctor may ask you to do some tests. We call these ``Imaging tests''. These are methods that take pictures of what's inside. They are:
CT Scan (Computed Tomography Scan)
This is like taking many X-ray images of the inside of our body at once and viewing them clearly as cross-sections using a computer. This allows us to see the size of the ranula, where it is located, and whether it has affected the surrounding tissues.
MRI scan (Magnetic Resonance Imaging)
This is another special type of scan. An MRI uses strong magnetic fields and radio waves to produce very clear, detailed pictures of the inside of the body. This can show soft tissue, such as muscles and glands, very clearly. This can also be very helpful in identifying something like a ranula.
Ultrasound Scan
You've probably heard of this one before. It involves sending high-frequency sound waves into the body and using the reflected waves to create a picture of what's inside. It's a very simple, painless procedure. It's used to determine whether a ranula is a fluid-filled lump or a solid mass, as well as to measure its size.
After these tests, the doctor can determine exactly whether you have a ranula, what type it is, and how large it is.
How do you treat a Ranula?
Okay, now let's look at the treatments for this. As I said before, some small, simple ranulas may get better on their own over time without any treatment. However, in most cases, especially if they are large and causing discomfort, treatment is needed. The type of treatment you get will depend on the size of your ranula and how uncomfortable it is for you.
There are several main treatment methods:
Needle Aspiration
In this, the doctor uses a very fine needle to remove the salivary fluid inside the ranula. This is very simple. However, this only temporarily removes the fluid. The underlying problem, which is the blockage or damage to the salivary gland, is not cured by this. Therefore, after removing the fluid in this way, the ranula is more likely to form again.
Incision and Drainage
This is a bit similar to the previous one. What you do here is make a small incision over the ranula and allow the fluid inside it to drain out. Like pulling it out with a needle, this also only provides temporary relief. Since the underlying problem is not resolved, it can recur.
Marsupialization method
This is a slightly different method. In this case, a small incision is made in the ranula. Then, the edges of that incision are turned out, placed in the surrounding tissue, and sewn up. What happens is that the incision remains open. That is, a small pouch is formed, which allows saliva to continue to flow out. This method is called ``Marsupialization`` (it is probably named because the pouch in which the young of animals like kangaroos live is also called ``marsupial pouch``!). This is a little more successful than the previous two methods, but it can sometimes recur.
Surgical removal of the tumor and salivary gland
This is the most permanent and best treatment for a ranula to prevent it from recurring. Here, a surgeon completely removes both the ranula tumor and the salivary gland that caused it (the sublingual gland is most often involved). This is because, if only the tumor is removed and not the problematic gland, saliva can accumulate in that gland again and a new ranula can form. So, if the gland is removed along with it, the chance of it recurring is much lower.
Are there any side effects or complications of ranula treatment?
As with any medical treatment, minor complications can occur during ranula treatment.
There is a small chance that the ranula will recur after treatment, especially after procedures such as needle aspiration, incisional drainage, and marsupialization. However, it is very rare to recur after surgery to remove the entire salivary gland.
The following are common after treatment:
- Slight pain or discomfort: There may be some mild pain for a few days.
- Swelling: The treated area may be slightly swollen.
- Bruises: Sometimes small bruises can be seen as road marks.
These usually get better in a few days.
Complications after salivary gland removal surgery are rare. However, if any of the following occur , you should notify your doctor immediately:
- If there is excessive bleeding from the surgical site.
- If you have signs of infection : That is, pus-like discharge, chills, and a fever (fever greater than 101°F / 38.3°C).
- If there is a persistent numbness in the tongue .
- If the pain doesn't subside even after taking the painkillers the doctor gave you.
It is very important to take care of these.
How long does it take to recover after treatment?
This also varies depending on the treatment performed.
- If you had something as simple as removing the fluid from the needle, you could be back to normal in two or three days.
- However, if both the ranula and the salivary gland were surgically removed, it may take about a week or two to fully heal.
However, your doctor will give you detailed instructions on what to do after surgery, what to eat, and how to keep your mouth clean. Following those instructions exactly is very important for a speedy recovery.
Is there a way to reduce the formation of Ranula?
In fact, there is no proven way to prevent ranulas from forming. This is because they can sometimes develop as a result of an accident or injury to the mouth. Or, they can develop for no apparent reason. So, it is generally good to avoid accidents inside the mouth, but it cannot be said that it can completely prevent ranulas from forming.
Does Ranula get better on its own?
Yes, in some cases, especially small ranulas, they can heal on their own without any treatment. But not all of them will. If your ranula is getting bigger, or if it is causing difficulty breathing or swallowing, then it definitely needs medical attention. Therefore, it is wise to see a doctor and seek advice rather than waiting for it to "get better on its own."
What happens if I have a Ranula?
If you think you have a ranula, or if it's large and interfering with your breathing or swallowing, the first thing you should do is talk to your doctor. He or she can then decide what treatment is best for you.
Remember, a ranula is usually not serious or dangerous. Most people recover quickly after treatment, so don't be unnecessarily worried.
When can I go back to work/school?
This too is determined by the treatment you received.
- If you have surgery to remove the ranula along with your salivary gland, you will usually need to take about a week off from work or school.
- If you do something small, like removing the fluid from the needle, you will be able to resume your normal activities in a day or two.
Your doctor will tell you exactly about this too.
When do you need to see a doctor?
If you notice a new lump, bump, or other unusual growth inside your mouth, under your tongue, or anywhere else, even if it's small, it's best to see a doctor right away. Your doctor may say to keep an eye on it to see if it gets bigger, or they may recommend treatment depending on its size. Early detection is always better.
Frequently Asked Questions and a Short Summary (Take-Home Message)
Okay, so I hope you have a good understanding of Ranula from what we have discussed. In short, here are some things to remember:
- A ranula is a clear or blue blister-like area that forms under your tongue, filled with saliva.
- This can occur spontaneously (for no reason), or it can be caused by another injury in the mouth.
- This is not cancer or anything dangerous.
- However, if a ranula becomes large, appears to be spreading, or is causing difficulty breathing or swallowing, you should definitely seek medical advice immediately.
- There are several treatment options, and your doctor will decide what is best for you.
- In most cases, this can lead to a complete recovery.
So, the most important thing when you see something like this is not to be afraid, not to panic, but to be informed and, if necessary, to seek medical advice. I wish you good health!
` Ranula, mouth ulcers, blisters under the tongue, salivary glands, oral health, oral diseases


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