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Doctor insights on: Four Bones Containing Paranasal Sinuses

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Please tell me, are sinuses under the bones of the face?

Please tell me, are sinuses under the bones of the face?

Yes: There are 4 paired sinuses. The maxillary sinuses under the eyes in the cheek area, the ethmoids between the eyes, the frontal sinuses above the eyes in the forehead, and sphenoid sinuses in the middle of the head just above the nasopharynx (back of the nose). ...Read more

Sinuses (Definition)

Sinuses are air filled spaces in the head that have several proposed functions: 1. They serve as shock absorbers in cases of head trauma 2. Lighten the skull 3. Humidify and filter the air while also producing mucus 4. Play a role in vocal resonance. The head contains 4 paired sinus cavities: maxillaries (cheek) under the eyes, ethmoids(between the eyes), frontals (above ...Read more


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Since our cranial sinuses are isolated spaces within our bones, how does gunk get into and build up in them?

Since our cranial sinuses are isolated spaces within our bones, how does gunk get into and build up in them?

Mucosal lining : The paranasal sinuses, like the inside of your nose, are lined with a thin layer of tissue called the mucous membrane, which produces mucus. This mucus flows out through openings of the paranasal sinuses and into the nose. When these openings become blocked, your sinuses are affected. This can lead to sinusitis. ...Read more

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I'm 36 diagnosed with bone lesion of forehead. It's been painless & slow growing for a year. I am really worried. I have some nerve pain around the sinuses and lump sometimes. I've read about sarcomas, could it be one? could it be anything else?

I'm 36 diagnosed with bone lesion of forehead. It's been painless & slow growing for a year.  I am really worried. I have some nerve pain around the sinuses and lump sometimes. I've read about sarcomas, could it be one? could it be anything else?

A year: A year is to long to keep saying, "Maybe it will go away." No matter the cause, and there are many possibilities, you must see a Physician do be diagnosed and treatment planned. Waiting will only allow problem to worsen. ...Read more

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Dr. Alvin Lin Dr. Lin
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I was hit pretty hard with a wrench on what i think is my zygomatic bone no fracture but now i have issues with my sinuses. Possible the hit is cause?

Dr. Alvin Lin Dr. Lin
1 doctor agreed:
I was hit pretty hard with a wrench on what i think is my zygomatic bone no fracture but now i have issues with my sinuses. Possible the hit is cause?

Maybe (not) . . .: What sinus issues are you suffering from? Perhaps, it's just coincidental. Sinus congestion is common result of allergies & pollen exposure, not to mention myriad cold viruses. See your Family Doc or ENT if no improvement w/OTC antihistamines & decongestants (assuming that you're bothered by allergies & congestion). If double vision or increase pain, then see ENT & Ophth immediately. ...Read more

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Mucosal diseases of the paranasal sinuses?

Mucosal diseases of the paranasal sinuses?

Sinuses: This is a non specific description of the thickening and inflammation in the lining of the sinuses, it can be from an infection, allergies, chronic sinusitis, etc. By itself is not a disease but is associated with other problems. ...Read more

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What is mucosal diseases of the paranasal sinuses?

What is mucosal diseases of the paranasal sinuses?

It suggests : Thickening of the mucosal lining of the sinuses from recurrent sinus infection. Check out these links. http://www.m.webmd.com/default.htm. http://www.livestrong.com/article/103027-herbs-sinus-infections/#page=1. ...Read more

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What is a defect in the medial maxillary wall? It's in the paranasal but not sure where that is. I had sinus surgery to clear all sinuses last year.

What is a defect in the medial maxillary wall? It's in the paranasal but not sure where that is. I had sinus surgery to clear all sinuses last year.

Surgical?: I guess that this likely refers to the surgical procedure which widens up your maxillary sinus opening- which is desirable because it improves sinus drainage. If you have symptoms, it is best to contact the doctor who ordered the image study to find out its significance. ...Read more

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My paranasal sinuses hurts often and I have a headache and feel tirded.What can I do?

My  paranasal sinuses hurts often and I have a headache and feel tirded.What can I do?

See your ENT: If this is a recurring problem you should see your ent. He can tell you if you have recurrent sinusitis, allergies, migraine headaches or another problem. Definitley never use afrin (oxymetazoline) for more than 3 days, you will get addicted! ...Read more

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What is a defect in the medial maxillary wall of the sinuses? It's in the paranasal area but I'm not sure exactly where that is.

What is a defect in the medial maxillary wall of the sinuses? It's in the paranasal area but I'm not sure exactly where that is.

Its located: on either side of your nose (your CHEEKS) The sinus is actually inside your cheekbones and defects in maxillary sinuses are fairly common "incidental" findings (ie: by themselves do NOT make a Diagnosis!) Hope this helps! Dr Z ...Read more

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My paranasal sinuses test show:nasal septum is deviated, nasal turbinates are prominent and both maxillary sinuses shows mucosal thickening sinusitis?

My paranasal sinuses test show:nasal septum is  deviated, nasal turbinates are prominent and both maxillary sinuses shows mucosal thickening sinusitis?

Deviated septum: a deviated septum can be corrected surgically to bring the septum to the midline. If there are symptoms like nasal obstruction, snoring or recurrent sinusitis, have your nose evaluated by a board certified otolaryngologist. ...Read more

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Ct results: minor mucosal changes in the paranasal sinuses seen in the maxillary sinus regions with mucous retention cysts. Possible cause?

Not to worry: I see a fair proportion of my patients demonstrating these in their sinuses as an incidental finding on ct scan. They very rarely require any sort of surgical intervention and should be differentiated from a mucocele (which are different. Allergies, sinusitis, mucosal irritation lead to these fluid filled "sacs". ...Read more

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Can a rear-end collision cause any type of sinus problem? What about sinuses and hemorrhages? 1st CT (10/14) showed abnormal sphenoid sinus layering; repeat CT (1/15) says Paranasal sinuses: Normal

Can a rear-end collision cause any type of sinus problem? What about sinuses and hemorrhages? 

1st CT (10/14) showed abnormal sphenoid sinus layering; repeat CT (1/15) says Paranasal sinuses: Normal

Unclear: certainly a nasal injury can cause problems. Bumping one's nose or having an airbag hit it is a common cause of nasal injuries/sinus problems but would expect to see an injury if it is there. ...Read more

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I have swelling on the left side of my face under my eye and cheek bone for no reason teeth are fine sinues ate good and i feel fine dosent hurt?

Are you a doctor?: Unfortunately without professional training and the use of x-rays you can't know whether or not you have an infection related to the teeth or gums. Start by seeing a dentist for a consultation. Yes, this might be unrelated to a dental problem, but only by checking that out first will you know. ...Read more

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What does this mean, some hyperintense signals are seen in the brainstem, cerebellum and bilateral thalami? Paransal sinuses show mucosal disease?

What does this mean, some hyperintense signals are seen in the brainstem, cerebellum and bilateral thalami? Paransal sinuses show mucosal disease?

Depends: At your age, must wonder about multiple sclerosis (radiologically isolated syndrome), but also, migraine can cause the spots, prior trauma can do this, and prior infection may be responsible. Discuss with a neurologist, as there may be valuable preventative treatment. The sinus issues are separate and consistent with a dry climate. ...Read more

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Does costal cartilage contain calcium like bones?

Does costal cartilage contain calcium like bones?

No: cartilage is cartilage and bone is bone. In children the costal cartilage will eventually ossify to bone usually by late teens or early adulthood. ...Read more

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I am 20 years i want to be healthy should i eat whole grain or white as i reas whole grain contain phaytic acid that bind ca and iron cause bone loss?

I am 20 years i want to be healthy should i eat whole grain or white  as i reas whole grain contain phaytic acid that bind ca and iron cause bone loss?

It's complicated: Phytic acid is found in many foods generally considered healthy, including beans, seeds, nuts, whole grains, potatoes and sweet potatoes. It's safe to consume them in moderation, esp. if you also get plenty of calcium and vitamins A, C, D and lacto-fermented foods. Preparing these foods properly will eliminate most phytic acid. See http://www.westonaprice.org/health-topics/living-with-phytic-acid/ ...Read more

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What food is best suited for a stage four bone cancer patient?

What food is best suited for a stage four bone cancer patient?

Comfort: A person with stage IV cancer is not likely to be cured of the cancer and should eat whatever makes her/him feel comfortable. ...Read more

Bone (Definition)

Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more