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Doctor insights on: Retention Cyst Sphenoid Sinus

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My head MRI showed a small retention cyst in the sphenoid sinus. Headaches and dizziness last week hence the mri. Smoker, sleep apnea from time to time.?

My head MRI showed a small retention cyst in the sphenoid sinus. Headaches and dizziness last week hence the mri. Smoker, sleep apnea from time to time.?

MRI very sensitive: Just because you have something in the sinus, it does not mean it is the cause of your symptoms. Retention cysts are common. Does light or sound bother you when you have the headache? Do you have visual changes before the headache comes? If so you may have migraine.

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Dr. Qamar Khan
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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Small mucous retention cyst in the left sphenoid sinus what can be the cause?

Small mucous retention cyst in the left sphenoid sinus what can be the cause?

Retention cyst: Hello, cysts are commonly found within the paranasal sinuses. It is believed that they occur from an occlusion of an outflow tract from a mucus secreting gland. This gland continues to produce mucus and before long it swells like a water balloon. These cysts can be varying sizes and as long as they don't occlude the sinus ostea, they are just identified and observed. No surgery is needed.

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I've got a small left sphenoid sinus mucus retention cyst measuring 1x1.5x1.6 cm. I have just gotten my MRI results. Likely they'll operate?

I've got a small left sphenoid sinus mucus retention cyst measuring 1x1.5x1.6 cm. I have just gotten my MRI results. Likely they'll operate?

Unlikely: Small mucus retention cysts are common findings in sinuses imaging, unless it obstructs sinus drainage or cause recurrent sinusitis, rare, it is just observed, a coincidental finding. At any rate the doctor who ordered the MRI, for whatever reason can explain, if you do have other sinus problems, see an ENT specialist, good luck

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Help docs! I'm trying to find out what causes a cyst in your sphenoid sinus?

Help docs! I'm trying to find out what causes a cyst in your sphenoid sinus?

Retention cyst: Retention cysts are found often on MRI scans of the brain. These cysts are usually benign incidental findings that arise from the mucosa in the sinus. When they get large, they can cause some headache from irritation of the surrounding structures. In the abscence of a history of infection with drainage, the cause of these cysts is debated. Treatment is usually conservative.

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I have a cyst in my sphenoid sinus cavity that is 1.5 cm. It was found on a MRI. Should I have it removes or what options are there?

I have a cyst in my sphenoid sinus cavity that is 1.5 cm. It was found on a MRI. Should I have it removes or what options are there?

Usually: Retention cysts are incidental findings requiring no further treatment. If you are not having any related symptoms, and if it clearly simply represents a cyst, probably no treatment is necessary, but talk to your doctor about it.

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Can a retention cyst in the sphenoid and maxillary sinus cavities be responsible for excess & thickening mucus resulting in the sensation that you constantly have to clear your throat?

Can a retention cyst in the sphenoid and maxillary sinus cavities be responsible for excess & thickening mucus resulting in the sensation that you constantly have to clear your throat?

Yes: Excess mucous and/or more viscous mucous and/or a post nasal drip can make you feel as if there is something stuck in your throat causing you to have the need to cough and clear your throat.

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How should a sphenoid sinus polyp be treated?

How should a sphenoid sinus polyp be treated?

Leave it alone: Usually a polyp in the sinus that isn't causing symptoms is left alone and doesn't require Rx.

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Are there symptoms or health problems when you have agenesis of the sphenoid sinus?

Are there symptoms or health problems when you have agenesis of the sphenoid sinus?

It is so rare: I think it would be difficult to say. My guess is that you were having a CT scan or MRI for some facial or sinus symptoms and this was incidentally reported. It would have been present your whole life...it is the result of lack of development in the embryo/fetus. Reportedly it occurs in only 0.026% of people. Too few to study. The presence of this shouldn't impact your evaluation or treatment.

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Ostiomeatal complexes bilaterally are patent. Septated sphenoid sinus is noted. Left anterior clinoid process is pneumatized". Please explain report?

Sinus: Sounds like a normal scan with common variations in anatomy. The bigger question is what are the symptoms that prompted the scan

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What test best diagnoses a hole in sphenoid sinus?

What test best diagnoses a hole in sphenoid sinus?

Hole is normal: The best test to evaluate the sphenoid sinus is usually a ct scan. The natural drainage hole should be open and secretions should not build up. When they do they cause infection and sometimes pain. Occasionally an MRI is necessary to look for certain growths or rumors in the sphenoid sinus.

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What is opafication of sphenoid sinus?

Blocked sinus: Could have new or old sinus congestion, and may be indicative of an infection. See you doctor, and decide on potential antibiotics.

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What does near complete opacification of sphenoid sinus mean?

What does near complete opacification of sphenoid sinus mean?

Sphenoid Sinus: Near complete opacification of sphenoid sinus means that there is material such as blood or mucus that is filling the sinus.

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Can ethmoid and sphenoid sinus diesease be cured with medication?

Can ethmoid and sphenoid sinus diesease be cured with medication?

Depends: Its sounds although you have intractable sinus disease. Given your prior hx: bilateral medial turbinectomies. Resection of medial walls, of both maxillary sinuses, and a partial ethmoidectony; you might need surgical intervention but I would ask your physician.

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Is there any way to "unopacify" a sinus w/interval opacification? How can one "unopacify" the sphenoid sinus?

Is there any way to "unopacify" a sinus w/interval opacification? How can one "unopacify" the sphenoid sinus?

Treat sinusitis: Opacification of a sinus is xray evidence of sinus full of something empty the sinus opacification goes away it can clear itself if you treat the process causing it to fill congestion, infx being most common rarely surgical drainage is indicated.

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Mri notes small layering fluids in sphenoid sinus:what might thisbe? Wouldnormal sinus mucous layer?

Mri notes small layering fluids in sphenoid sinus:what might thisbe? Wouldnormal sinus mucous layer?

Sinusitis: Layering fluids in a sinus on MRI is an indication of sinusitis, but anything that causes swelling and blockage of the normal drainage of a sinus will cause fluid to collect. Most common causes include viral upper respiratory infections (colds), allergies, and bacterial infections. Rarely fungal infections occur.

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What does interval opacification of the sphenoid sinus mean? Differences between the different sinuses?

What does interval opacification of the sphenoid sinus mean? Differences between the different sinuses?

Mucous: Basically when the sinus is opacified, it means that there is mucous or some sort of inflammation of the lining of the sinus. There are various sinuses: maxillary, sphenoid. What differentiates the sinuses is location. For instance maxillary is under your cheek bones. Try cleaning up your diet of starches and sugar, eat more greens and it may all clear up without antibiotics. Hope this helps!

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MRI says, minor mucosal disease in the sphenoid sinus. Minor sphenoid sinus mucosal thickening. Should I be concerned?

MRI says, minor mucosal disease in the sphenoid sinus. Minor sphenoid sinus mucosal thickening. Should I be concerned?

Usually no: Mild mucosal thickening in the sinuses is commonly seen on MRI. It can be the result of allergies. Fluid in the sinuses is more concerning as it can indicate infection (sinusitis)

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Had FESS & septoplasty on 19th. Had bilateral sphenoid sinus which caused head heaviness. I still sometimes have similar head heaviness. I am scared.

Had FESS & septoplasty on 19th. Had bilateral sphenoid sinus which caused head heaviness. I still sometimes have similar head heaviness. I am scared.

See ENT: If your symptoms are worrisome, and have lasted more than a week or so, you need to have your sinuses, etc, re-evaluated by the MD that did the FESS procedure in the first place. Make the call...

Cyst (Definition)

A cyst is a structure or mass that consists of a cellular lined sac. It is typically filled with fluid but may be filled with solid material. It can be congenital, traumatic, or acquired. They may develop nearly anywhere in the body and usually require complete excision for eradication or they are likely to recur. Fluid filled sacs that are not cellular lined ...Read more