[PDF] Top 20 Optimal CT evaluation for functional endoscopic sinus surgery

... frontal sinus to the clivus using the following scanning parameters: kV(p) 5 120, mA 5 200, field of view 5 14 cm, detail recon- struction algorithm and intermediate window and level set- tings 5 1 1700 and 2 300 ... See full document

... for Functional endoscopic sinus surgery is a challenging ...This surgery per se is not a major one by its standards and surgeons recently have been trying to accomplish FESS as a ... See full document

... Forty ASA physical status I–II patients were studied. All were scheduled to undergo elective functional endo- scopic sinus surgery under general anesthesia. Patients were chosen to participate in the ... See full document

... & sinus surgery have undergone a tremendous expansion since the discourses of Messerklinger and Wigand in the late ...guided surgery have allowed surgeons to perform more complex procedures with ... See full document

... For the evaluation of navigation accuracy, reference points, which can be identified on the CT scan and on the cadaver specimen, were defined. For this purpose, small screws were drilled into the bone in ... See full document

... the surgery on patient), and patients who refused to be enrolled in the ...an endoscopic examination of the nose. CT-scan imaging was done for all patients to aid our diagnosis and as a roadmap for ... See full document

... the endoscopic removal of the disease from key areas of anterior ethmoid and middle meatus it re-establish the ventilation, mucociliary clearance and normal functioning of ...restore functional integrity of ... See full document

... the CT-scan and endoscopic findings were not in parallel with the patient’s complains, and could be more severe or ...of endoscopic nasal and sinus surgeries on the patients’ quality of life ... See full document

... op endoscopic findings and Patient symptoms highlights this ...by CT/DNE (diagnostic nasal endoscopy) fails to correlate with the extent of symptoms experienced by the ... See full document

... CT scan (Figure 2a) and MRI (Figure 2b) of the orbits, sinuses, and brain were performed. These showed, a large upper nasal septal defect and defective posterior 1/3 of left lamina papyracea. The left MR muscle ... See full document

... lar swelling, visual loss and no light perception. Physical examination showed mydriasis, aboli- tion of direct and indirect light reflexes, clear dioptric media, off-white optic disc with unclear outline, retinal ... See full document

... than CT. The images are actively acquired during rather than before surgery; thus, if changes in anatomy occur during the procedure, the images are updated to in- corporate these changes, enabling more ... See full document

... Imaging studies such as CT and MRI may aid in making preoperative diagnoses. As epidermoid tumors lack vascular- ity and do not enhance on CT, they will demonstrate low T1 signal and high T2 signals in MRI. ... See full document

... Evaluation of Oral Clonidine Premedication on Intraoperative Blood Loss and Bleeding Severity Score in Functional Endoscopic Sinus Surgery – A Prospective Placebo Controlled Study Masrat[r] ... See full document

... bases. CT sinuses showed mucosal thickening of bilateral maxillary and ethmoid and sphenoid ...to surgery were provided to prevent worsening of lung ... See full document

... The Functional endoscopic sinus surgery (FESS) has now been gold standard surgical intervention for the patients who failed to re- spond to medical therapy [13] ...as CT scanning and ... See full document

... In the endoscopic approach, the most important landmarks are the agger nasi cells , frontal recess , middle turbinate, middle meatus, uncinate process, ethmoid infundibulum , hiatus semi[r] ... See full document

... either endoscopic findings of inflammation, purulent discharge or edema of the middle meatus or ethmoid region, polyps in the nasal cavity or the middle meatus, and/or radiographic imaging showing inflammation of ... See full document

... and surgery/TS) [12,17,18] and experiences reported by other authors [19-22], we have realized that it is quite simple to enable the animated image of the course of surgery/telesurgery be created in the ... See full document

... The middle turbinate is part of the ethmoid bone. The most anterior and superior portion of middle turbinate is adjacent to crista ethmoidalis of maxilla, which produces an anterior bulge known as agger nasi. The ... See full document