What is posterior to the sphenoid sinus?
Posterior: pituitary sella superiorly, clival recess inferiorly. – Lateral: cavernous sinus, optic nerve, and infratemporal fossae. – Superior: planum sphenoidale, anterior skull base.
What causes chronic sphenoid sinusitis?
Sphenoid sinusitis can be caused by both bacterial and viral infections that impact the upper respiratory system. Other possible factors include a weakened immune system, tooth abscesses, nasal polyps, nasal defects and enlarged adenoids.
Where does sphenoid sinus drain?
The sphenoid sinus drains into the nose above the superior turbinate. The lateral wall of the sphenoid sinus contains the medial wall of the optic canal and the internal carotid artery. Because of this close anatomic relationship, sphenoid sinusitis may cause damage to the optic nerve.
When does sinusitis become serious?
Sinusitis, even in its chronic form, is not typically dangerous. In some cases, however, it may indicate a serious underlying condition. A doctor can help identify the cause, so see a doctor if sinus pain or pressure lasts longer than a week or two.
How to clear sphenoid sinus?
Treatment of sphenoid sinusitis. Sphenoid sinusitis can be treated in one of two ways: surgical and non-surgical. Non-surgical treatment – antibiotics and intranasal corticosteroid, nasal sprays, nasal decongestants, steam inhalation, and analgesics (painkillers).
What does sphenoid sinus mean?
sphenoid sinus. noun. variants: or sphenoidal sinus. : either of two irregular cavities in the body of the sphenoid bone that communicate with the nasal cavities.
What is the best antibiotic to treat a sinus infection?
Penicillin. Penicillins are a narrow-spectrum antibiotic,which means they will only kill a few forms or types of bacteria.
What is the prognosis for sinusitis?
Although uncomfortable and painful, sinusitis often goes away without medical intervention. However, if symptoms last more than 7 to 10 days, or if there is a fever or a bad headache, you should see your doctor.