CT PNS AXIAL / CORONAL VIEWS

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About The Test

What is CT PNS Axial/Coronal Views?

CT PNS stands for Computed Tomography of the Para-Nasal Sinuses. The “Axial” slice shows cross-sections from top to bottom, while the “Coronal” slice displays front-to-back views. Together, they create a high-resolution 3D map of your sinus cavities, septum, and drainage pathways.

When and Who Needs to Take a CT PNS Axial/Coronal Views Scan?

  • Persistent nasal congestion or facial pain lasting >12 weeks
  • Repeated sinus infections (more than 4 per year)
  • Suspected nasal polyps or structural blockage
  • Planning for sinus or septal surgery
  • Recent facial trauma or suspected sinus fracture

List of Parameters

Axial View

  • Taken parallel to the hard palate
  • Best for evaluating the sphenoid and posterior ethmoid sinuses

Coronal View

  • Taken perpendicular to the nasal floor (like looking at the face straight on)
  • Ideal for assessing the osteomeatal complex and frontal sinuses

Combined Axial + Coronal Protocol

  • Merges both orientations for a 360° sinus map
  • Standard at Cadabams Diagnostics—no extra cost or time

3. List of Parameters Considered During the CT PNS Axial/Coronal Views Scan

Parameter What We Look For
Sinus cavity opacification Clouding that suggests infection or polyps
Mucosal thickening Swelling lining the sinus walls
Septal deviation Shift in the nasal septum that blocks airflow
Osteomeatal complex patency Whether key drainage pathways are open or clogged

Why This Test

  • Chronic sinusitis evaluation
  • Nasal polyps detection
  • Pre-surgical planning for FESS (Functional Endoscopic Sinus Surgery)
  • Trauma assessment after sports injuries or accidents

When to Take Test

Benefits

Benefits of Taking the Test

  • High-resolution 3D sinus imaging—see every crevice in 0.5 mm slices
  • Low radiation dose—child-safe protocols available
  • Same-day digital report—sent to your phone or email within 2 hours
  • Guides targeted treatment—no trial-and-error with antibiotics or sprays

Illnesses Diagnosed with CT PNS Axial/Coronal Views

  • Acute & chronic sinusitis
  • Nasal polyposis
  • Deviated nasal septum
  • Fungal sinus disease (aspergillosis, mucormycosis)

Preparing for test

Pre-requisites

  • Remove earrings, nose pins, hairpins, and dental retainers
  • Inform technologist if you are or might be pregnant

Best Time to Take the Scan

  • Any time of day; fasting not required

Eligibility

  • Adults & children 5 years and above
  • Safe for patients with asthma or hypertension

Procedure for Taking a CT PNS Axial/Coronal Views Scan

  1. Lie on the scanner table; head in a soft holder.
  2. Stay still for 5–10 seconds while the gantry rotates.
  3. Breathe normally—the machine does the rest.

Caution Before the Scan

  • Pregnancy: Postpone if possible
  • Contrast allergy: Rarely used; let us know if you have iodine sensitivity

Test Results

Results and Interpretations

Finding / ObservationDescription General Interpretation / Significance
Air-filled sinuses NormalNo action needed
Mucosal thickeningActive sinusitis ENT consult + medication
Complete opacificationSevere infection/polyps ENT referral, possible surgery
Septal spur Deviated septumSeptoplasty evaluation

Risks & Limitations

  • Radiation dose: Low (≈0.3 mSv), roughly equal to 2 months of natural background exposure.
  • Limitations: Soft-tissue swelling can sometimes hide very small polyps; contrast is rarely needed, but discuss allergies if recommended.
  • Pregnancy: Inform staff—scans are postponed in the first trimester unless urgent.

FAQs

Is the scan painful?

No. It’s quick, painless, and non-invasive.

How long does it take?

Less than 5 minutes from positioning to finish.

Can children undergo this scan?

Yes, with pediatric-optimized low-dose protocols.

Do I need a doctor’s referral?

Preferred, but walk-ins with prior prescription accepted.

What is the approximate cost of a CT PNS scan?

The CT PNS scan cost can vary. For the most accurate and up-to-date pricing information at Cadabam's Diagnostics, please feel free to visit our dedicated pricing page or contact our front desk directly.

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