There are four pairs of sinuses, each connected to the nasal cavity by small openings. This results in more detail. Examples of appropriate cases listed by the academy include, but at not limited to: Distorted sinus anatomy of development, postoperative or traumatic origin, Extensive sinonasal polyposis: pathology involving the frontal, posterior ethmoid and sphenoid sinuses, Disease abutting the skull base, orbit, optic nerve or carotid artery, CSF rhinorrhea or conditions where there is a confirmed or suspected skull base defect. The endoscopic view obtained of the surgical field and positioned instrumentation should be the primary focus while performing the surgery. RTAnswers.org: Radiation Therapy for Head and Neck Cancer, This page was reviewed on November, 01, 2022. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Today, CT. 4000 HU), soft tissue kernel (e.g. The CT paranasal sinus protocol serves as an examination for the assessment of the study of the mucosa and bone system of the sinonasal cavities. 0000107765 00000 n `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ 0000127121 00000 n Deviated Septum The nasal septum has cartilage and bone that divide your nose's nasal cavity in two. The actual CT scan takes less than a minute and the entire process is usually completed within 10 minutes. It can even generate three-dimensional images. 393 0 obj <>stream CT scanning protocol 3D SYSTEMS CT scanning protocol A surgeon must always rely on his or her own professional clinical judgment when deciding whether to use a particular product when treating a particular patient. Image-guided surgery with theStealthStation ENT Navigation Systemcan be used to surgically navigate tumors and lesions affecting the anterior and lateral skull base. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ 0000014739 00000 n 0 Stryker ENT navigation system powered by Scopis software allows the analysis and identification of sinus cells in the complex patient anatomy and planning of the natural drainage pathways through the sinus cavity. 0000004204 00000 n o Process images with bone algorithm. 0000008040 00000 n It might be combined or simultaneously acquired with a CT abdomen. StealthStation Surgical Navigation - Navigation | Medtronic 0000007230 00000 n Different body parts absorb x-rays in different amounts. Surgeon and OR staff ensure the appropriate equipment are available and present in or near the OR room prior to transport of the patient to the OR. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Any motion, including breathing and body movements, can lead to artifactson the images. Galletti, et al. Otolaryngol Clin North Am. <> A prospective, randomized clinical study. You may feel a need to urinate. HnS1SN?V6!1 $Rhx{$+M_'KvG:{v`mw?O;8;[__XLw,J.LPhTX(e!/^e# 2"l-0)W[. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Use of bone anchoring device in electromagnetic computer-assisted navigation in lateral skull base surgery. This will pass. A CT scan generates images that can be reformatted in multiple planes. This difference allows the doctor to distinguish body parts from one another on an x-ray or CT image. Introduction. 0000331031 00000 n Update my browser now. Sometimes a follow-up exam further evaluates a potential issue with more views or a special imaging technique. Image-guided surgery has become an industry standard for many endoscopic sinus surgeries. Recommended protocol for medical CBCT scanners Scan time Longest available Voxel size 0.3 - 0.5mm Field of view Largest available File type CT (one file per slice) Reconstruction Axial Compression Uncompressed Thank you for taking a moment to read this protocol. Managing Editors: Sarah Elliott, Kay Klein, Claire Davis CPT CODE AND GUIDELINES FOR CT SCANS SCHEDULE 203-878-2341 FAX 203-878-3429. endobj Laryngoscope. Acute Stroke - Brain. In many ways, a CT scan works like other x-ray exams. xref With modern CT scanners, you may hear slight buzzing, clicking and whirring sounds. Stryker Corporation or its divisions or other corporate affiliated entities own, use or have applied for the following trademarks or service marks: Stryker. For the purposes of this protocol, the setup for Endoscopic sinus surgery will be described. detect the presence of inflammatory diseases. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ endobj Weight > 90kg : 150cc. Q Who interprets the results and how do I get them? Include the entire nose and ears 15 cm DFOV is used for all other series Contrast: These multi-slice (multidetector) CT scanners obtain thinner slices in less time. Intra-Operative Use of Computer Aided Surgery. Nothing but clear liquid after midnight before the scan. DOC IGS_Medtronic_Stryker sinus v1.0 - ARA Diagnostic Imaging `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ 0000002736 00000 n Scopis is a next-generation solution for navigating functional endoscopic sinus surgery (FESS) offering surgeons highly advanced image guidance and visualization capabilities in a single system. Image 3: The equipment shown here is required for the positioning the Electromagnetic Field Generator (EMG seen in figure 4) within the space adjacent to the surgical field. H"BB^{NMMedC=q?oz-R. This unit has both electromagnetic and optical capabilities. Rhinology 49: 429-437, 2011. Sinuses - Landmark Protocol Indications o Pre-surgical planning Sequences Hj[1zyKhB -t\7 }Hq7nl}3hQk^L7~!tZ0wf~z_t{aWdOjC"(FZ@!Z{!KzwKpSLjl%YkP the possible presence of brain aneurysms, tumors, etc. inbqo@O[nF{su:t(//A (hA222=h)D'@/w8}{aaaEB[xxeqJyg-w3h7 . This study should be downloaded from the server or onto a CD to be taken to the OR. H\n0yC$ian@tH#@!(/k'$+WNYx+ae' `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ endstream 0000000016 00000 n endobj q The CT paranasal sinus protocolserves as an examination for the assessment of the study of the mucosa and bone system of the sinonasal cavities. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ %%EOF Stryker ENT navigation system powered by Scopis software Scopis is a next-generation solution for navigating functional endoscopic sinus surgery (FESS) offering surgeons highly advanced image guidance and visualization capabilities in a single system. CT/MRI Stryker Protocol | Medical Billing and Coding Forum - AAPC The Images should be loaded onto the base unit prior to the registration process and the appropriate exam selected. Illustrated by: Timothy McCulloch, MD, Copyright The University of Iowa. For example, sometimes a parent wearing a lead shield may stay in the room with their child. CT of the sinuses is now widely available and is performed in a relatively short time, especially when compared to. Web page review process: This Web page is reviewed regularly by a physician with expertise in the medical area presented and is further reviewed by committees from the Radiological Society of North America (RSNA) and the American College of Radiology (ACR), comprising physicians with expertise in several radiologic areas. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ 0000005691 00000 n 0000006620 00000 n Unlike conventional x-rays, CT scanning provides very detailed images of many types of tissue as well as the lungs, bones, and blood vessels. [D+tb%r 3@s1e` CT of the brain (or spine) with stealth protocol. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ It also forms a part of a polytrauma CT or might rarely be done as a CT myelogram in situations . D.:%PyGTz.Rp4*H. Even though some centers use a unique acquisition protocol, many centers still have a specific 3D navigation protocol and a specific standard CT protocol for sinus CT scans . This will be determined by the ordering physician and/or the imaging physician. 0000009151 00000 n hBk$u>ZM5t]Ko=`3]ZPZT"m3nf7,|ddQJIA/dUYr%df-/-N 4~@yhr It is usually performed as a non-contrast study.NB: This article aims to frame an gen concept o. 8t4c-mc\XrZkM_L-*p|EbizJ::E;iH82RgU9'Xi) "u$u/LYLfl7mn!. Reduced surgical bleeding 5,8 and improved visibility 5,6. To locate a medical imaging or radiation oncology provider in your community, you can search the ACR-accredited facilities database. 0000014497 00000 n 0000014590 00000 n 0000014366 00000 n Laryngoscope. Image-Guided Surgery Products - ENT Navigation Solutions Vreugdenburg TD, et al. Discuss the fees associated with your prescribed procedure with your doctor, the medical facility staff and/or your insurance provider to get a better understanding of the possible charges you will incur. CT scanning is painless, noninvasive, and accurate. CT Navigation Setup for Image Guided Surgery-Sinus and Skull Base `gG>XZz8%K8Z[o_-::@vIABb"snk(Blm:N^L|9jmT` -Y endstream endobj 355 0 obj <>stream Citardi MJ, et al. 0000007874 00000 n trailer <<8C6E674339FF4166ABD801C45B1E2FA5>]/Prev 472851/XRefStm 1746>> startxref 0 %%EOF 402 0 obj <>stream Myeolography CT Prep: NPO 4 hours; may drink clear liquids up to 30 minutes prior to exam Arrival time: 30 minutes prior to exam for registration and prep Myelogram Cervical Myelogram Thoracic Myelogram Lumbar Musculoskeletal CT Prep: NPO 2 hours for all studies w/ contrast Arrival time: 30 minutes prior to exam for registration and prep Soft tissue, such as the heart or liver, shows up in shades of gray. ]$"D o]\\o:w2qP?O^aAvv]{@o#F Fusion: Standalone, electromagnetic based ENT image guidance system. > bjbj00 ZgZg_ V V 8 4 L = ^ . 200 Hawkins Drive `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ In neoplastic, inflammatory and infectious disorders, a CT scan of the paranasal sinuses is performed to demonstrate bony erosions, osteolytic lesions, and calcifications. 0000111556 00000 n In emergency cases, they can reveal internal injuries and bleeding quickly enough to help save lives. 2). 1 0 obj Image 4: The electromagnetic field generator (EMG) is generally stored with the brace and bracket (shown in fig. 0000009630 00000 n Your doctor may instruct you to not eat or drink anything for a few hours before your exam if it will use contrast material. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Keep in mind that the images provided are based on the anatomy at the time of CT scan and the surgical anatomy may have changed prior to the start of the procedure (resolution/progression of infection, change in size of masses, etc). A special electronic image recording plate captures the image. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Yao WC, et al. 0000014920 00000 n The technologist will be able to hear and talk to you using a speaker and microphone. CT has become a useful diagnostic modality in the evaluation of the paranasal sinuses and an integral part of surgical planning. However, the most recent American College of Radiology (ACR) Manual on Contrast Media reports that studies show the amount of contrast absorbed by the infant during breastfeeding is extremely low. 0000108295 00000 n 0000013608 00000 n You may need to remove any piercings, if possible. All Rights Reserved Temporal Bones. HTRiPSg}/-9yQq#E: "O@!,)")K[D)5V"iE*CmemGm3g9q9.hc0bZ]2V3H,sXgG-B-/ /6U13m&jt;a_X.hI{tR//_i^f" f2%'IhsC\eDf7=s ,6bX$Ec1S`39c_"yivla'=)b'Vg@:YW O;CW#tM}`Ev}UBkk Web Privacy Policy | Nondiscrimination Statement. Specialty Protocols Touchstone Medical Imaging CT is less sensitive to patient movement than MRI. This exam does not commonly require contrast material; however, in some situations your doctor may request that contrast material be given. Note: we are unable to answer specific questions or offer individual medical advice or opinions. The costs for specific medical imaging tests, treatments and procedures may vary by geographic region. hbbe`b``3 ` endstream endobj 349 0 obj <>/Metadata 49 0 R/OpenAction 350 0 R/Pages 48 0 R/StructTreeRoot 51 0 R/Type/Catalog/ViewerPreferences<>>> endobj 350 0 obj <> endobj 351 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> endobj 352 0 obj <> endobj 353 0 obj <> endobj 354 0 obj <>stream PDF CT scanning protocol - Stryker Corporation PDF CT scanning protocol - Stryker CMF 0000006544 00000 n CT paranasal sinus (protocol) | Radiology Reference Article CrSC^{6`yJ V5//()PgC1!AR $2KifepQ#v? Thus, it should be utilized as the adjunct and should not be viewed as a substitute for surgical knowledge and anatomical familiarity with the surgical region. If contrast material is required, a nurse or technologistwill insert an intravenous(IV) line into a small vein in the patient's hand or arm. With an updated browser, you will have a better Medtronic website experience. Z}8Y.u| u7/K]I2d hb``Pa``c`a` Bl@q c?td$3V0D)))e`s@HXDh[i C?&j]`fhTt The radiologist will send an official report to the doctor who ordered the exam. x] xE 0000013974 00000 n There is always a slight chance of cancer from excessive exposure to radiation. If neoplasia is suspected, the use of an intravenous contrast medium is indicated. 348 0 obj <> endobj xref 348 55 0000000016 00000 n Rotating around you, the x-ray tube and electronic x-ray detectors are located opposite each other in a ring, called a gantry. 0000002106 00000 n Dalgorf M, et al. 0000051746 00000 n In our study, 24% (4/17) of pediatric patients and 41% (21/51) of adult patients undergoing 3D navigation sinus CT had already had a sinus CT for the same episode of care. 0000010404 00000 n `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ IV contrast manufacturers indicate mothers should not breastfeed their babies for 24-48 hours after contrast material is given. The optical capability refers to the infrared light based camera that monitors reflections from the spheres placed on the surgical instrumentation. 0000001941 00000 n ENT Navigation Solutions /Matrix [1 0 0 -1 0 792] The University of Iowa does not recommend or endorse any specific tests, physicians, products, procedures, opinions, or other information that may be mentioned on this web site. The paranasal sinusesare hollow, air-filled spaces located within the bones of the face and surrounding the nasal cavity, a system of air channels connecting the nose with the back of the throat. A person who is very large may not fit into the opening of a conventional CT scanner. %PDF-1.4 % 0000004092 00000 n 0000116114 00000 n `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Indenting and outdenting in richtext should work as well. Brain stereotaxis protocol (MRI) | Radiology Reference Article `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Nearly all CT scanners can obtain multiple slices in a single rotation. The technologist begins by positioning patients on the CT examination table. PDF .6 / 0/ 5 /-./ /./ / *-/ However, these are only side effects of the contrast injection, and they subside quickly. Avon 35 Nod Road Bloomfield 673 Cottage Grove Road Enfield 9 Cranbrook Blvd Glastonbury 31 Sycamore Street 2021 MRI Scan Exam CPT Codes* Brain / MRA Brain CT protocol | Radiology Reference Article | Radiopaedia.org Auris Nasus Larynx. %PDF-1.4 % A radiologist, a doctor specially trained to supervise and interpret radiology exams, will analyze the images. 0000123602 00000 n Speed is especially beneficial for children, the elderly, and critically ill anyone who finds it difficult to stay still, even for the brief time necessary to obtain images. CT of the sinuses - Radiologyinfo.org Whole-Brain Computed Tomographic Perfusion Imaging in Acute Cerebral kBqe|$L0et76+W&7 ]&lc6Mc@i2Y5i*QXGbE:jC9_S|M0-u?0skO'33Lk\e\e!}i! These occur as the CT scanner's internal parts, not usually visible to you, revolve around you during the imaging process. For FESS, this is generally placed on the patients mid-forehead. This loss of image quality can resemble the blurring seen on a photograph taken of a moving object. 0000010842 00000 n You may feel warm or flushed as the contrast is injected. /Length 40>> stream CT of the brain with Lorenz protocol. BUN and creatininemustbe done within 72 hours of the scan. Tell your doctor about all medications you are taking and if you have any allergies. `l\/ c+f>@@@@@V &x&p'@@@@@sb++ Head and Neck Imaging - 2 Volume Set. provide additional information about tumors of the nasal cavity and sinuses. 0000014012 00000 n This protocol is mainly used to perform a biopsy of the brain and in some functional neurosurgeries. The contrast material will be injected through this line. StealthStation ENT navigation system offers electromagnetic technology that expands what was previously possible with image-guided surgery so you can see more, do more. This will be determined by the ordering physician and/or the imaging physician. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ 0000002100 00000 n Stryker ENT Navigation & Imagine Guided Surgery | Stryker Department of Otolaryngology `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ The doctor may administer contrast material intravenously (by vein), so you will feel a pin prick when the nurse inserts the needle into your vein. 1. 0000014440 00000 n 0000002620 00000 n It is usually performed as a non-contrast study. trailer The surgeon should ensure the desired patient, date of study, and anatomical location are obtained. CT imaging is sometimes compared to looking into a loaf of bread by cutting the loaf into thin slices. Peter M. Som, Hugh D. Curtin. Otolarnygology. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Evaluation of a navigation system for ENT with surgical efficiency criteria. What is a stryker protocol ct scan - MagnusBrubaker's blog 0000136210 00000 n 0000001403 00000 n This unit has a variety of software packages available for Neurosurgery, Spine and Orthopedic procedures among others. You may need to change into a gown for the procedure. 0000010277 00000 n The CT paranasal sinus protocol serves such in examination for the assessment starting the study of the thick and bone netz of the sinonasal cavities. 0000006140 00000 n Siemens Definition AS 20 Protocols. The use of image-guided surgery in endoscopic sinus surgery: an evidence-based review with recommendations. <> Some CT exams use a contrast material to enhance visibility in the body area under examination. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Acute cerebral venous sinus thrombosis (VST) is a rare form of stroke, and establishing a correct diagnosis can be challenging due to its diverse and typically delayed clinical presentation [1,2].VST is most common in young women and is associated with pregnancy/puerperium, use of hormonal contraceptives, hypercoagulable states, and malignancy [3,4]. /G3 gs CT Scan of the Paranasal Sinuses - Medscape Each IGS instrument should be registered and evaluated prior to utilization. Image-guided navigation systems used in endoscopic sinus surgery have shown a reduction in the need for revision surgeries. After a CT exam, the technologist will remove your intravenous line. Check for errors and try again. RadiologyInfo.org is not a medical facility. Acta Oto-Laryngologica, 133:10, 1047-1052, 2013, Stelter K, et al, Evaluation of an image-guided navigation system in the training of functional endoscopic sinus surgeons. Unlike MRI, an implanted medical device of any kind will not prevent you from having a CT scan. 0000107831 00000 n Leave them at home or remove them prior to your exam. 0000014677 00000 n This is where the technologist operates the scanner and monitors your exam in direct visual contact. It's also the most reliable imaging technique for determining if the sinuses are obstructed and the best imaging modality for sinusitis. Computed Tomography (CT or CAT Scan) - RadiologyInfo - The. The paranasal sinuses are hollow, air-filled spaces located within the bones of the face and surrounding the nasal cavity, a system of air channels connecting the nose with the back of the throat. Ear, Nose & Throat PDF 3D SYSTEMS - Stryker Corporation Contrast may be given, depending on the indications. Multidetector CT reduces the amount of time that the patient needs to lie still. Preoperative computed tomography (CT) affords radiologists the opportunity to prospectively identify anatomic variants that predispose patients to major surgical complications; however, these critical variants are not consistently evaluated or documented on preoperative imaging reports. Int Forum Allergy Rhinol. CT is beneficial in studying chronic disease of the paranasal sinuses, not least to assess whether it has spread to surrounding structures. CT scan of the paranasal sinuses with Stealth protocol should be ordered prior to the patients surgery date. Procedures and Techniques, Whether you're performing functional endoscopic sinus surgery (FESS) or operating in the skull base,meta-analyses on commercial image-guided navigation systems, like StealthStation ENT system, suggest a reduction in major complications during endoscopic sinus surgery compared with non-image guided procedures.1-3. A 501(c)(3) nonprofit organization, Adler/Nail and Cedars-Sinai Research for Women's Cancers P.E.T. If you choose to logout it will log you out from all the applications. Protocol specifics will vary depending on CT scanner type, specific hardware and software, radiologist and perhaps referrer preference, and patient factors, e.g. Women should always inform their physician and the CT technologist if there is any possibility that they may be pregnant. Safety in X-ray, Interventional Radiology and Nuclear Medicine Procedures, Radiation Therapy for Head and Neck Cancer, evaluate sinuses that are filled with fluid or thickened sinus. 2019; 46(4): 520-525. Image-guided sinus surgery: practical and financial experiences from a UK centre 2001-2009. Sinuses - Limited Indications o Anosmia, allergic sinusitis Sequences o Coronal sections without contrast Comments o Scans should be perpendicular to the hard palate. Navigation and non-navigation CT scan of the sinuses: comparison of the `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ To help ensure current and accurate information, we do not permit copying but encourage linking to this site. 0000002899 00000 n 2015;5(8):761-763, Bernardeschi D, et al. A major advantage of CT is its ability to image bone, soft tissue, and blood vessels all at the same time. You will lie on a narrow table that slides in and out of this short tunnel. 0000002850 00000 n Having many x-rays or CT scans over time may increase your risk for cancer. NPO four hours prior to exam (no food or drink). <> stream 5 0 obj Air appears black. Roy J. and Lucille A. 0000006859 00000 n Computed tomography special protocols are ordered for specific requirements or surgical planning involving the brain. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Polyps in the sinuses; Sinus infection (sinusitis) Risks. Recognition and utilization of surgical landmarks is imperative for the surgeon. If you have a known allergy to contrast material, your doctor may prescribe medications to reduce the risk of an allergic reaction. Please contact your physician with specific medical questions or for a referral to a radiologist or other physician. 0000110965 00000 n As a separate examination, it is most often performed as a non-contrast study. It requires detailed knowledge of the radiological appearance of pathology, the parameters of the available CT scanner, and a thorough knowledge of the types of protocols the institution performs. If the exam uses iodinated contrast material, your doctor will screen you for chronic or acute kidney disease. Metal objects, including jewelry, eyeglasses, dentures, and hairpins, may affect the CT images. Operating with its association, andmedical provider consultations to a single sinus cavities. CT scan is one of the safest means of studying the sinuses. 0000002164 00000 n Bones appear white on the x-ray. Products Multiplanar Sinus CT: A Systematic Approach to Imaging Before Copyright 2023 Radiological Society of North America, Inc. (RSNA). 6 0 obj At the time the article was created Fabio Macori had no recorded disclosures. `l\/ c+f>@@@@@V &x&p'@@@@@MlP_TEc+ kr>R8 N+[LW{ Like traditional x-rays, it produces multiple images or pictures of the inside of the body. 340 0 obj <> endobj What are the limitations of CT of the Sinuses? Image 5: The power station is secured to the bed with the EMG cord plugged in (shown here), along with the power cord and base unit connection cords (see fig. Meta-analyses on commercial image-guided navigation systems suggest a reduction in major complications during endoscopic sinus surgery compared with non-image guided procedures. Some patients require an injection of a contrast materialto enhance the visibility of certain tissues or blood vessels. 0000052173 00000 n Int Forum Allergy Rhinol. A CT scan of the face produces images that also show a patient's paranasal sinus cavities. When the exam is complete, the technologist will ask you to wait until they verify that the images are of high enough quality for accurate interpretation by the radiologist. The StealthStation S8 surgical navigation system has an intuitive interface, improved patient registration software, and advanced visualization to navigate neurosurgery procedures. 0000001928 00000 n Stryker ENT navigation system powered by Scopis software allows the analysis and identification of sinus cells in the complex patient anatomy and planning of the natural drainage pathways through the sinus cavity. If additional information is needed to determine the extent of soft tissue of the tumor, magnetic resonance imaging (MRI) may be helpful. 0000005578 00000 n Radiologic Imaging in the Management of Sinusitis | AAFP 0000327514 00000 n 0000014774 00000 n 0000014254 00000 n Recommended protocol for medical CT scanners Patient positioning Scan Spacing: Less than 1.25 mm (equal to slice thickness) Slice Thickness: Less than 1.25 mm (equal to scan spacing) .

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