The CT scan acquisition protocol used for the authors' needs consists of a helical, 2-mmthickness axial CT scan with the use of a specially designed headset incorporating built-in metallic fiducial land marking. IGS begins with obtaining a CT scan. Sinonasal cancers are quite uncommon, with an annual incidence of less than 1:100,000 in the United States. MRI allows better differentiation of soft tissue structures within the sinuses. PDF American Journal of Neuroradiology 3 Transform your office by: Bringing OR technology to your office procedure rooms Providing additional navigated treatment options All rights reserved. Bolger WE, Kennedy DW. Endo-Scrub 2 Lens Cleaning Sheaths significantly improve the ability to operate in the presence of bleeding. 2017 Oct 1. 31 (3):196-199. 1998 Oct. 119(4):374-80. CT of the sinuses - Radiologyinfo.org Filter results Filter by Body Region: Start typing to search. To date, in the authors' institution, more than 1000 computer-assisted ESS procedures have been performed over a period of 10 years. Pathology: Start typing to search. Medtronic's innovative products and integrated technologies can help you address the unique challenges of transnasal skull base surgery. The fourth window can be either the real time video or a computer 3-dimensional rendition of the surgical field. During the study period, 876 ESS cases were performed, and 596 used imaging guidance (68.0%). Dalgorf DM, Sacks R, Wormald PJ, Naidoo Y, Panizza B, Uren B, et al. CT scanning is painless, noninvasive and accurate. All staff and patients are required to wear appropriate face masks and staff wear other required PPE. DOC IGS_Medtronic_Stryker sinus v1.0 - ARA Diagnostic Imaging Registration generates a correlation between the position of the instrument in the surgical field and the corresponding location on the CT images. endobj What would be the reason for this protocol? [QxMD MEDLINE Link]. Different body parts absorb the x-rays in varying degrees. CT scanning combines special x-ray equipment with sophisticated computers to produce multiple images of the inside of the body. Bones appear white on the xray; soft tissue shows up in shades of gray and air appears black. The benefit of a common sinus CT protocol would be negated if a patient proceeded with ESS at an external facility that may have required a repeated preoperative CT. Although first developed for neurosurgery, endoscopic sinus surgery (ESS) rapidly became one of the leading indications for this technology. He appeared healthy on examination and had hyponasal speech. Old image-guided surgery (IGS) systems used an articulated arm (shown) and required the patient's head to be taped to the operating room bed. Bone window views provide excellent resolution and a good definition of the complete osteomeatal complex and other anatomic details that play a role in sinusitis.2 The coronal view also correlates best with findings from sinus surgery. Long-term efficacy of microdebrider-assisted inferior turbinoplasty with lateralization for hypertrophic inferior turbinates in patients with perennial allergic rhinitis. Comparison between low-dose and standard-dose multidetector CT in patients with suspected chronic sinusitis, Low-dose CT of the paranasal sinuses with eye lens protection: Effect on image quality and radiation dose, Radiation dose reduction in paranasal sinus CT using model-based iterative reconstruction, Reducing the radiation dose for low-dose CT of the paranasal sinuses using iterative reconstruction: Feasibility and image quality, Performance of iterative image reconstruction in CT of the paranasal sinuses: A phantom study. Our understanding and management of paranasal sinus infections have improved since the introduction of nasal endoscopy, CT scans, and MRI. PDF CT SINUS LANDMARX MEDTRONIC NAVIGATION, FUSION CONSENT FORMS Consent to The CT images and direct views from the endoscope are visualized throughout the procedure. This CT protocol section provides a reference and useful resource to help you achieve the highest level of quality in your CT examinations. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. Federal government websites often end in .gov or .mil. Otolaryngol Head Neck Surg. Patient-specific preprocedural rehearsal devices will allow surgeons to add critical annotations and observations to the imaging data set preoperatively. With systems using optical technology, the image-guided surgery (IGS) unit must be in direct line to the operating room table with no line-of-sight obstruction, Some studies in image guidance have focused on real-time updates, which allow the preoperative images used for navigation to be updated throughout the surgery. The 2 test was used to compare the proportion of patients in each group who underwent surgery after sinus CT. Rhinosinusitis is a common disease that imposes a large economic burden on the health care system,1 with the direct costs for sinus computed tomography (CT) being a significant contributor. Image-guided endoscopic surgery: results of accuracy and performance in a multicenter clinical study using an electromagnetic tracking system.
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