alexa Static And Dynamic Application Of Multi-Planar Reconstructed (MPR) And 3D CT Images To Improve Image Guidance For FESS, Based On Lamellae Landmarks | 67997
ISSN: 2161-119X

Otolaryngology: Open Access
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5th Global Summit and Expo on Head, Neck and Plastic Surgery

Simion J. Zinreich
Johns Hopkins University School of Medicine, USA
Keynote: Otolaryngol (Sunnyvale)
DOI: 10.4172/2161-119X-C1-015
Abstract
For 3 decades, coronal sinus CT along with MPR reconstructions/displays has guided surgeons performing Functional Endoscopic Sinus Surgery (FESS) in their procedures. Image Guided Surgery (IGS) has improved the familiarity of the surgeon with the surgical field and correlation between the regional morphology and the imaging information. Unfortunately, image guidance is not always or universally available. For these situations, it is our work to provide the FESS surgeons more dynamic use of the imaging information to guide their surgical approach in a systematic and safe manner, using landmarks they are already familiar with. Teaching Points: The surgical approach for FESS is systematic, as it progressively follows sequential surgical steps and landmarks, based on the four lamellae from anterior to posterior, uncinate process, ethmoidal bulla, basal lamella and superior turbinate. The aim of this communication is to highlight the CT evaluation of the structures related to each of these 4 lamellae and the important role that dynamic multiplanar reformatting can play. Imaging evaluation will specifically focus on the structures involved in the performance of the 4 steps of the surgery, namely uncinectomy, anterior and posterior ethmoidectomy, sphenoidotomy and frontal sinusotomy. Summary: Aim of this presentation is to show that, using orthogonally reconstructed MPR CT images can provide a more accurate display of the structures of the nasal cavity and the paranasal sinuses in preparation for FESS. Use of a more dynamic CT display is needed and more advantageous to demonstrate the intricate relationship and structural variations surrounding the various mucociliary outflow tracts/drainage pathways. Curved coronal and 3D reconstructions are needed to display the usually convoluted path of the frontal recess and its outflow tract. In general, this dynamic approach of the imaging evaluation can provide a more accurate pre-surgical planning platform, especially in instances where image guidance is unavailable for surgery.
Biography

Simion J. Zinreich is the professor of the Division Radiology and Otorhinolaryngology Head and Neck Surgery at The Johns Hopkins Medical Institution. He is an author/co-author of 7 patents, 150 publications and 5 textbooks. He is also an active member of Member of several national and international societies.

Email: [email protected]

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