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Doctor insights on: Maxillary Sinus

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Dr. Theodore Davantzis
3 Doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


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What exactly is maxillary sinus disease?

Inflammation: Of the maxillary sinuses, which are on either side of your nose and above your upper teeth. These sinuses have openings to your nose to allow drainage. The most common problem with maxillary sinuses is port drainage and chronic inflammation. ...Read more

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What in general is maxillary sinus disease.?

Maxillary sinusitis: Maxillary sinus disease refers to chronic maxillary sinusitis, or long-term inflammation of the mucous membrane lining of the sinus cavity in your upper jaw, or maxilla. It usually results from environmental allergies or obstruction of drainage from the sinus into the nose. It may cause congestion, foul-smelling discharge, or chronic infection. It's usually diagnosed with a ct scan. ...Read more

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How big is the Ostia to the Maxillary Sinus?

How big is the Ostia to the Maxillary Sinus?

Pinhead: The osteomeatal unit is the size of a pinhead. The course mucus takes to clear this pathway is rather circuitous and is dependent upon healthy mucosa and the wave-like action of cilia to progress appropriately. ...Read more

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What causes maxillary sinus and ethmoid mucossl disease?

Allergy/infection: Could be allergy and / or infection. Best to see your otlaryngologist for evaluation. ...Read more

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What would mucosal thickening in the maxillary sinus mean?

What would mucosal thickening in the maxillary sinus mean?

Inflammation: In most cases this phrase is used to describe some level of sinus inflammation. Make sure you discuss your specific case with your treating physician. ...Read more

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How is a maxillary sinus cyst removed surgically? Is it painful afterwards?

How is a maxillary sinus cyst removed surgically? Is it painful afterwards?

Why bother?: I can't see image well. Most ENT's I know don't remove maxillary "retention" cysts, unless the think it is cancerous, eroding into bone, or causing infections or pressure by blocking the drainage (OMC obstruction). They are not believed to be painful themselves. Can do surgery through the nostril, or under upper lip. ...Read more

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Can an oaf grow in size if left untreated? Possible complications if no intervention? Oaf located in right maxillary sinus.

Shouild not grow: An oaf is one of the potential complications from extraction of posterior maxillary teeth. If the oaf is small, it may resolve without any additional surgery. A large oaf that remains open will allow fluids to pass between the mouth and your sinus and may be a persistent problem with sinus infections. ...Read more

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What does mild opacification of the right maxillary sinus mean?

Early problem signs: A sinus on x-ray should appear black, . Opacification will appear white or grey. This could be fluid, polyps or inflammation of the the mucosal membrane. See your doctor to determine the cause. ...Read more

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What does extensive opacification of the right maxillary sinus mean?

What does extensive opacification of the right maxillary sinus mean?

Opacification: On a radiograph means that something that is normally lucent (dark on x-ray because it lacks density) has some level of radio-opaqueness.

This opacification can be due to fluid & mucus from sinusitis, blood from surgery or injury, bone grafting from sinus lifts, to cysts & other masses - benign and malignant.

That finding needs to be correlated with any current or recent symptoms, illnesses, etc. ...Read more

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Can you have some fluid in your maxillary sinus without actually having an infection?

Sinus fluid: It is possible. However, sinus fluid can predispose the patient to recurrent infection. ...Read more

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Focal small polypoidal mucosal thickening in right maxillary sinus What does it means?

Focal small polypoidal mucosal thickening in right maxillary sinus What does it means?

Depends: Based on a CT scan that description usually means inflammation in the floor of the right maxillary sinus. If during a common viral cold this may be normal. If chronic it could mean mild chronic sinusitis. Depending on your anatomy sometimes this may be related to a dental infection or process. This may also be a completely incidental finding. ...Read more

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How does a surgeon remove a maxillary sinus cyst?

How does a surgeon remove a maxillary sinus cyst?

Often unnecessary.: Most maxillary sinus cysts are benign and are only found on routine xray examination. They are usually mucous in origin and rarely is the removal recommended. If recommended the procedure involves an incision in the muccobuccal fold area and an entry into the sinus is made with a drill. The cyst is curetted-incision is closed.
Minor if any discomfort. An office procedure. ...Read more

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What is a small retention cyst in the left maxillary sinus?

What is a small retention cyst in the left maxillary sinus?

Mucus cyst of sinus: A mucus retention cyst is a common variant seen on ct scans. This is mucus trapped under the mucus membrane lining the sinus. This creates a raised cyst in the sinus typically with no symptoms. Most of the time, no intervention is needed. ...Read more

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Is there more than one good way to treat maxillary sinus cancer?

Yes: Depending on the stage, possible therapies include surgical resection, chemotherapy, and radiation. Many times the treatment will involve all 3. Check with your oncologist or ENT surgeon to see what's best for you. ...Read more

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Why doesn't the maxillary sinus extend towards the hard palate?

Why doesn't the maxillary sinus extend towards the hard palate?

Anatomy: God designed things to form that way. Nasal stuff is above the hard palate. ...Read more

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Can a polyp or retention cyst in the maxillary sinus cause imbalance?

Can a polyp or retention cyst in the maxillary sinus cause imbalance?

Possible but rare: Polyps or cysts in the maxillary sinuses are very common. Unless they are obstructing the opening to the sinus, they are completely benign and nothing should be done, especially surgery. If it blocks the opening, a simple endoscopic surgery can remove the blockage and improve symptoms. ...Read more

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What does mild polypoid mucosal thickening in the inferior lateral right maxillary sinus mean?

What does mild polypoid mucosal thickening in the inferior lateral right maxillary sinus mean?

Depends: Based on a CT scan that description usually means inflammation in the floor of the right maxillary sinus. If during a common viral cold this may be normal. If chronic it could mean mild chronic sinusitis. Depending on your anatomy sometimes this may be related to a dental infection or process. This may also be a completely incidental finding. ...Read more

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What's the difference between a maxillary sinus cysts (2.5 cm) and a possible (2.5cm) sinus polyp?

What's the difference between a maxillary sinus cysts (2.5 cm) and a possible (2.5cm) sinus polyp?

The difference is: A "maxillary cyst" likely refers to a maxillary retention cyst arising. Domeshape, from the floor of the maxillary sinus. Benign, asymptomatic, usually self limited, requiring not treatment.
A "sinus polyp" is likely related to nasal polyps. Usually the "sinus polyp" is accompanied by other polyps of the nose or ethmoid sinuses. Nasal polyps include nasal congestion, sinusitis, decreased smell. ...Read more

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What is a polyp in right maxillary sinus? What are the chances it is cancerous? Do the two look different

What is a polyp in right maxillary sinus? What are the chances it is cancerous? Do the two look different

Common collection: Polyps in the maxillary sinus area are relatively common. These are often picked up on routine dental radiographs. The chances of these being cancerous is very low, however all polyps should be evaluated by an ear, nose and throat surgeon in your area. ...Read more

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I'm having a maxillary sinus cyst removed and having sinuses cleaned at same time how should I expect to feel after?

I'm having a maxillary sinus cyst removed and having sinuses cleaned at same time how should I expect to feel after?

Sinus surgery: You may feel some congestion in the early post-op period. Follow your surgeon's post-op instructions regarding pain and secretion management. ...Read more

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I am having dry cough from 3 month, now P.N.S xray showed that mucosal thickening noted in maxillary sinus and frontal sinus appear hypoplastic. Help?

I am having dry cough from 3 month, now P.N.S xray showed that mucosal thickening noted in maxillary sinus and frontal sinus appear hypoplastic. Help?

Maybe: People with chronic sinusitis often have a persisting cough as one of their main, or only, symptoms. The mucosal thickening of the maxillary sinus is often indicative of chronic sinusitis. The hypo plastic frontal sinus just didn't develop fully and likely has nothing to do with your cough. I would recommend consultation with ENT physician. Medications and further imaging may be necessary. ...Read more

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Does mold exposure cause maxillary sinus?

Does mold exposure cause maxillary sinus?

Mold: A mold allergy can impact sinusitis. And there can certainly be fungal infections of the sinus. But most likely mold exposure is not the real cause of the sings issue. Nonetheless, if you have symptoms, you can seek the consultation of a board certified surgeon with expertise in treating sinus issues. ...Read more

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I have another maxillary sinus cyst but why is my gum bleeding?

I have another maxillary sinus cyst but why is my gum bleeding?

Unrelated: Gum bleeding is a sign of gingivitis which is unrelated to your maxillary sinus cyst. You should see your dentist or periodontist. ...Read more

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Can a maxillary sinus cyst be mis dxd? There is worry this is a polyp. How do I find out?

Can a maxillary sinus cyst be mis dxd? There is worry this is a polyp. How do I find out?

See specialist: See an oral ; maxillofacial surgeon. Better able to differentiate these problems. Ent surgeon also a good choice. ...Read more

Maxilla (Definition)

The bone of the upper jaw which serves as a foundation of the face ...Read more