PNS stands for paranasal sinuses that are air-filled cavities located in the facial and sphenoid bones and they open inside nose. Their main functions are as follow:
What is CT scan PNS?
PNS stands for paranasal sinuses that are air-filled cavities located in the facial and sphenoid bones and they open inside nose. Their main functions are as follow:
1) Lighten skull/cranial bones
2) Provide resonance to voice
3) Conditioning of inspired/inhaled air
4) Give protections to delicate structures in the orbit and skull from changes in intranasal temperature by acting as thermal insulators.
They are classified into two groups namely:
1) Anterior group - It includes:
a) Frontal sinuses
b) Anterior ethmoidal sinuses
c) Maxillary sinuses
2) Posterior group - It includes:
a) Posterior ethmoidal sinuses
b) Sphenoid sinus
CT scan paranasal sinuses also known as CT scan PNS is a diagnostic tool used for evaluation and assessment of various diseases affecting the mucosa and bony cavities of paranasal sinuses. CT scan is the preferred imaging modality to identify various pathologies and conditions affecting paranasal sinus.
It delineates the anatomical details of paranasal sinuses for better identification and evaluation of lesions. CT scan PNS is usually done without contrast agent called, NCCT PNS. However, a contrast enhanced study can also be done in some conditions, called CECT PNS. Sometimes, a high resolution CT scan of PNS called HRCT PNS is also required to obtain more fine details of PNS.
CT scan PNS is a non-invasive, painless, safe and rapid technique and Compared to traditional X-rays, it provide more detailed information of paranasal sinus.
What are the uses/purpose of CT scan PNS?
CT scan PNS is an advanced tool used for identification, localization, diagnosis and evaluation of various diseases/conditions affecting sino-nasal cavities including:
1) Acute rhinosinusitis
2) Chronic sinusitis
3) Polyps
4) Mucoceles
5) Gas-fluid level evaluation
6) Cysts
7) Diseases affecting mucosa of PNS
8) Foreign body in PNS
9) Tumours/cancers involving PNS
10) Infectious disorders of PNS
11) Inflammatory disorders of PNS
12) Osteolytic lesions
13) Calcifications
14) Bony erosions
15) Multiple trauma to face
16) Pre-operative evaluation before surgical procedures.
How do I prepare for CT scan PNS?
Follow these steps if you are going for CT scan PNS:
1) Get an appointment- Schedule your appointment in a Diagnostic center having the facility of CT scan PNS as it is available in limited centers.
2) Fasting- 4-5 hours fasting is required if CT test with contrast dye is being planned.
3) Inform your Doctor about all medications and supplements that you are currently taking.
4) Clothing- Wear clothes as comfortable as possible and that are easy to put on and off.
5) Medical reports- Don’t forget to carry all relevant medical, lab reports and any special instruction given by your physician along with you while going for CT scan. These reports may aid in better evaluation of your condition.
6) Pregnancy and breastfeeding- Tell your Doctor about pregnancy if you are pregnant or if you breastfeed your baby so that your Doctor can evaluate the risk vs benefit ratio.
7) Implants- Inform your doctor about any implant in your body such as cardiac implant, inner ear implants, metallic dentures, neurostimulators or any type of hearing aids etc.
8) Allergy- Inform your Clinician about prior history of allergy to any drug or medications.
9) Claustrophobia and anxiety - If you have claustrophobia or anxiety disorder then don’t hesitate to tell your Doctor about it. He may give you sedative or some alternatives to help overcome this while performing test.
10) Take a company- Get accompanied by friend or family member to have mental, emotional and physical support and to drive you home.
What is the procedure for CT scans PNS?
The procedure of CT scan of paranasal sinuses includes the following steps-
1) Before the procedure begins, you need to give written consent.
2) You will be asked to remove all the metallic elements like jewellry, hearing aids, metallic hair clips, metallic underwired bras, wallets, keys, coins, cards containing metallic strips, belts, goggles etc.
3) If CT with contrast dye is being scheduled then you will be given an intravenous injection of contrast agent that yield high clarity images on CT scan.
4) You will be then asked to change your clothes and wear a gown provided by the technician assisting the procedure.
5) You may be provided with head phones or ear plugs to make you feel more comfortable.
6) If you have Claustrophobia or anxiety disorder, then you may be given sedatives or some other alternatives to make you feel comfortable during the scan. CT scanner is equipped with microphone and speakers for two-way communications.
7) Before scan, your assisting Doctor will explain about all the possible adverse effects of using contrast material such as itching, rash, swelling etc. Your KFT report will be required to rule out any kidney disease/pathology and to check your GFR.
8) Then you will be asked to lie supine on examination table which will slide and place you inside the scanner.
9) You need to lie still during the procedure as body movements may interfere with the quality of images produced.
10) Your Radiologist will take several images to evaluate the underlying pathology and at the end these images will be interpretated for making a definite diagnosis.
What happens after CT scans PNS?
1) You will be allowed to exit the scanner room once the procedure is over.
2) You may be asked to wait in observation room for some time to evaluate any possible side effects if contrast dye has been used.
3) Drink water to eliminate contrast material from your body.
4) PNS CT scanning usually takes about 10-15 minutes. However, it may last longer depending upon the severity of your illness and associated co-morbid conditions.
5) If you breastfeed your baby then ask your Radiologist or Physician when to resume breastfeed if contrast agent is used in the procedure.
6) You will get reports on the next day. However, you may get the image films on the same day if requested by your Clinician.
7) These reports will be then evaluated by your Clinician to make a proper management plan of your condition.
What are the side effects/risks of CT scan PNS?
CT scan PNS is a safe procedure. The radiation in CT scan is low and the contrast dye if used doesn’t stay for longtime in your body. Drinking water can help to flush the contrast faster from your body.
However, some concerns about CT abdomen are as follows:
1) Allergic reactions to contrast agent, although rare but can happen in some individuals. However, these allergic reactions are usually mild.
2) Pregnant and breastfeeding mothers should avoid certain medications and test for the safety of baby. Ask your Doctor before undergoing a PNS CT scan.
3) Contrast induced nephropathy may occur in some individuals specially those with kidney disease.
4) Exposure to radiation and increased risk of cancer with multiple scans especially in those with high risk factors.
CT scan PNS price in Delhi?
CT scan PNS Cost generally varies with city and location. Various diagnostic and imaging centers charges differently according to the quality of machines they provide and the offers currently availing in them. CT scan charges also vary with the body part which need to be examined and the type of CT scan.
CT scan PNS test is an advanced diagnostic and monitoring tool that is available at limited diagnostic centers as it requires costly and modern equipments and skilled Radiologists to perform the scan.
To choose the best diagnostic center for CT scans PNS in Delhi. Click here!
Ganesh Diagnostic and Imaging center (GDIC) is now offering 50% discount on all types of CT scan test including NCCT, CECT, HRCT, PET-CT etc.
Price of various types of Nose and PNS CT scans in Ganesh Diagnostic and Imaging center (GDIC) Delhi are as following:
CECT PNS Axial and Coronal Scan
For more details, click here!
Which diagnostic center is best for CT scan PNS in North-East Delhi?
Ganesh Diagnostic and Imaging center (GDIC) is the best diagnostic center for CT scan PNS in Rohini, North-East Delhi.
Ganesh Diagnostic and Imaging center is now considered one of the most popular and affordable Diagnostic center in Delhi. We provide high standard quality services to our patients. Our centers are equipped with latest and modern machines with cutting-edge technologies. Genuine reporting and Patient satisfaction is our top priority. We offer seamless integration between diagnosis and treatment planning.
We are also having the facility of different types of CT scan PNS including:
1) Plain CT /NCCT scan
2) CECT (contrast enhanced CT) scan
3) HRCT (High resolution CT) scan
Ganesh Diagnostic and Imaging center (GDIC) is now offering 50% discount on all types of CT scan.
To book your appointment now. Click here!
Why choose Ganesh Diagnostic and Imaging center for CT scan PNS?
Ganesh Diagnostic and Imaging Center is a NABH and NABL accredited top diagnostic center situated in ROHINI and various other locations of Delhi. It is equipped with modern, highly expensive machines with latest cutting-edge technologies and highly skilled Radiologists and Pathologists.
Currently, we are offering 50% discount on all types CT scan.
We are open 24*7 and 365 days. You can also get free online/offline Consultation with our Senior Radiologist, Dr. Ravin Sharma (MBBS, MD Radiodiagnosis) regarding any imaging and scanning procedure.
We also offer facilities of online reporting, free home sample collection and free Ambulance services in Delhi, NCR. We are also empanelled with various departments and organizations. So, you can get the services at panel rate too.
For more details visit your nearest Ganesh Diagnostic and Imaging center (GDIC) today or Call us now!
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