Why would an ENT order a CT scan of sinuses?

A CT of the sinuses may be ordered for a variety of reasons. We commonly use this form of imaging to evaluate complaints of snoring, congestion, ear and/or breathing problems. The CT scan can be used to show: Structural abnormalities such as a deviated septum, nasal polyps, or concha bullosa.

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Why would you need a CT scan of your sinuses?

CT rapidly creates detailed pictures of the sinuses. The test may diagnose or detect: Birth defects in the sinuses. Infection in the bones of the sinuses (osteomyelitis)

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When do you need a CT scan for sinus infection?

If you have recurring symptoms of sinusitis or symptoms that will not go away, a CT scan is likely warranted. Symptoms of sinusitis include nasal blockage, facial or forehead pressure, colorful postnasal drip, and cough.

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Does a CT of the sinus also show the brain?

A typical series of CT scans for the sinuses use less x-ray radiation than a standard complete set of x-rays. However, a CT scan of the sinuses does not show any brain tissue.

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Can a sinus infection be diagnosed with a CT scan?

CT, or computed tomography, a minimally invasive and accurate form of medical imaging, can provide a reliable tool to help diagnose sinusitis, leading to better sinusitis treatment. In addition to diagnosing sinusitis, CT scans can identify sinus cysts or nasal polyps that may cause other health issues.

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In-Office CT Scan to diagnose chronic sinus and allergic rhinitis problems at

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Will a sinus CT show a tumor?

CT scan: The cross-sectional view provided by the CT scan may help locate abnormalities or tumors in the sinus area. We also may use the CT to measure tumor size, to determine if existing sinus cancer is growing or metastasizing into the eye or brain, and assess bony parts of the nasal cavity and paranasal sinus areas.

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What are the symptoms of sinus mucosal thickening?

  • Nasal inflammation.
  • Thick, discolored discharge from the nose (runny nose)
  • Drainage down the back of the throat (postnasal drainage)
  • Blocked or stuffy (congested) nose causing difficulty breathing through your nose.
  • Pain, tenderness and swelling around your eyes, cheeks, nose or forehead.

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What is the most common reason for a CT scan?

Chronic back pain or an injury to the spine are among the most common reasons to have a CT scan. A doctor may also order a spinal CT scan to: Evaluate spinal fractures. Assess the condition of the spine before and after surgical procedures.

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Does sinus CT scan show eyes?

The dye may be used to check blood flow and look for tumors, areas of inflammation, or nerve damage. A CT scan of the head can give some information about the eyes, facial bones, air-filled cavities (sinuses) within the bones around the nose, and the inner ear.

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Is MRI or CT scan better for sinuses?

A CT scan may be preferred in emergency cases, since it is faster and often available in the emergency room. Note: MRI is not as effective as CT in defining the anatomy of the sinuses, and therefore is not typically used for suspected acute sinusitis.

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What are they looking for in a sinus CT scan?

With a CT scan, we're able to identify inflammation, infections, and even problems with blood vessels.

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What is the prep for a CT scan sinus?

CT Sinus with IV Contrast: Do not eat anything for 4 hours before the exam. Drink only clear liquids, such as plain jello, tea, fruit drinks without pulp, black coffee and water. If you are over 60, diabetic or have high blood pressure, a blood test is needed before your scan. (See Exams That Require Contrast).

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What is a sinus tumor?

A paranasal sinus tumor is a cancer that has grown inside your sinuses, the open spaces behind your nose. This tumor can begin in the cells of the membranes, bones, or nerves that line the area. You might not know or even suspect that a tumor is growing until it spreads.

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Can an ENT do a CT scan?

If you suffer from chronic sinusitis, hearing loss, or ear infections, your ENT may order an imaging study. In general, an otolaryngologist (ENT) practitioner would use three types of images to help make and examine a diagnosis: CT scan, MRI scan or Ultrasound.

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Can sinusitis cause dizziness?

When the sinuses are infected they become inflamed, which can lead to increased pressure on the inner ear. This area is responsible for one's balance and orientation, so when it's disrupted, dizziness can occur.

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What do nasal polyps look like on CT scan?

Polyps look like a grayish grape-shaped growth in the nasal cavity. You may have a CT scan of your sinuses. Polyps will appear as cloudy spots.

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How soon do doctors receive CT scan results if serious?

After analysing the images, the radiologist will write a report and send it to the doctor who referred you for the scan so they can discuss the results with you. This normally takes a few days or weeks.

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Why would a DR recommend a CT scan?

Your doctor may recommend a CT scan to help: Diagnose muscle and bone disorders, such as bone tumors and fractures. Pinpoint the location of a tumor, infection or blood clot. Guide procedures such as surgery, biopsy and radiation therapy.

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Is it serious if you need a CT scan?

A CT scan may be ordered if your doctor suspects you have a tumor or blood clot. These issues could be a symptom of a very serious problem; therefore the sooner they are discovered the better off the patient will be. These scans may also be used to look for signs of an infection or any excess fluid.

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Is sinus thickening serious?

If this process persists the thickening can become permanent. Eventually despite our best efforts with treatment this continuous swelling can create polyps. Polyps are no more than rounded groups of very swollen sinus tissue and their presence does not suggest that your sinus problem is more serious.

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What are the 4 main symptoms of sinusitis?

Symptoms of sinusitis include:
  • a green or yellow discharge from your nose.
  • a blocked nose.
  • pain and tenderness around your cheeks, eyes or forehead.
  • a sinus headache.
  • a high temperature (fever) of 38C (100.4F) or more.
  • toothache.
  • a reduced sense of smell.
  • bad breath (halitosis)

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What happens if chronic sinusitis goes untreated?

If chronic sinusitis goes untreated for a length of time, it is possible the infection can spread to vital parts of your body, including to the bones, spinal fluid, and the brain. These complications, meningitis and brain abscesses, are life-threatening and require immediate emergency surgery.

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How often are sinus tumors cancerous?

If an osteoma does cause such an obstruction, it needs to be removed surgically. Viral infections can cause papillomas, wartlike growths in the nose or sinuses. Although about 10 percent are cancerous, most are benign.

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How do you detect a nasal tumor?

In addition to a physical examination, the following tests may be used to diagnose nasal cavity or paranasal sinus cancer:
  1. Biopsy. ...
  2. Endoscopy. ...
  3. X-ray. ...
  4. Computed tomography (CT or CAT) scan. ...
  5. Magnetic resonance imaging (MRI). ...
  6. Bone scan. ...
  7. Positron emission tomography (PET) or PET-CT scan.

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What percentage of sinus tumors are cancerous?

Cancers of the nose and sinuses account for less than 1% of all tumors, but the nose and sinus give rise to a greater variety of tumors than any other site in the body.

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