Clinical Utility of Intraoperative Volume Computed Tomography Scanner for Endoscopic Sinonasal and Skull Base Procedures

Batra, Pete S.; Kanowitz, Seth J.; Citardi, Martin J.

doi:10.2500/ajr.2008.22.3216

Cited by 57 publications

(38 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Recently, cone-beam CT systems (CBCT) with flatpanel detectors have been evaluated for sinus applications as an alternative to conventional multi-row detector CT (MDCT) [21]. However, low tissue contrast and inferior visualisation of thin anatomical structures prevent safe detection of inflammation in the examined region [22].…”

Section: Discussionmentioning

confidence: 99%

Low-dose computed tomography of the paranasal sinus and facial skull using a high-pitch dual-source system—First clinical results

et al. 2010

View full text Add to dashboard Cite

show abstract

Section: Discussionmentioning

confidence: 99%

Low-dose computed tomography of the paranasal sinus and facial skull using a high-pitch dual-source system—First clinical results

et al. 2010

View full text Add to dashboard Cite

show abstract

“…More recent clinical studies have also provided qualitative evidence that intraoperative CBCT provides high-quality definition of bony anatomy, which can lead to refinement of surgical strategy. 70,71 In a series of 25 patients undergoing ESS, Batra et al 71 found that residual bony partitions and stent locations could be visualized with intraoperative CBCT scans, leading to surgical revision. CBCT has also been used recently to evaluate contrast delivery during sinus irrigation after ESS.…”

Section: Sinus Imaging/frontal Recessmentioning

confidence: 99%

“…The xCAT intraoperative CBCT scanner (Xoran Technologies), a cousin of the MiniCat, has been evaluated in clinical scenarios at the skull base as well, with favorable preliminary results. 71,86 …”

Section: Skull Basementioning

confidence: 99%

Conebeam CT of the Head and Neck, Part 2: Clinical Applications

Miracle¹,

Mukherji²

2009

AJNR Am J Neuroradiol

300

207

View full text Add to dashboard Cite

SUMMARY: Conebeam x-ray CT (CBCT) is being increasingly used for point-of-service head and neck and dentomaxillofacial imaging. This technique provides relatively high isotropic spatial resolution of osseous structures with a reduced radiation dose compared with conventional CT scans. In this second installment in a 2-part review, the clinical applications in the dentomaxillofacial and head and neck regions will be explored, with particular emphasis on diagnostic imaging of the sinuses, temporal bone, and craniofacial structures. Several controversies surrounding the emergence of CBCT technology will also be addressed. C onebeam CT (CBCT) is an advancement in CT imagingthat has begun to emerge as a potentially low-dose crosssectional technique for visualizing bony structures in the head and neck. The physical principles, image quality parameters, and technical limitations relevant to CBCT imaging were discussed in Part 1 of this 2-part series. The second part presented here will highlight the evidence related to CBCT applications in head and neck as well as dentomaxillofacial imaging. Controversial aspects of this technology will also be addressed, including limitations in image quality and its often officebased operational model.CBCT was first adapted for potential clinical use in 1982 at the Mayo Clinic Biodynamics Research Laboratory. 1 Initial interest focused primarily on applications in angiography in which soft-tissue resolution could be sacrificed in favor of high temporal and spatial-resolving capabilities. Since that time, several CBCT systems have been developed for use both in the interventional suite and for general applications in CT angiography. 2,3 Exploration of CBCT technologies for use in radiation therapy guidance began in 1992, 4,5 followed by integration of the first CBCT imaging system into the gantry of a linear accelerator in 1999. 6 The first CBCT system became commercially available for dentomaxillofacial imaging in 2001 (NewTom QR DVT 9000; Quantitative Radiology, Verona, Italy). Comparatively low dosing requirements and a relatively compact design have also led to intense interest in surgical planning and intraoperative CBCT applications, particularly in the head and neck but also in spinal, thoracic, abdominal, and orthopedic procedures. [7][8][9][10][11] Diagnostic applications in CT mammography and head and neck imaging are also under evaluation. 12-14 The technical and clinical considerations pertaining to CBCT imaging in many of these applications have been the subjects of several recent reviews. [15][16][17][18][19] The recent review by Dörfler et al 16 of the neurointerventional applications of CBCT is of particular interest to the field of neuroradiology.The discussion below will focus on the diagnostic and treatment-planning applications of CBCT in dentomaxillofacial and head and neck imaging. Commercially available CBCT systems for dentomaxillofacial imaging include the CB MercuRay and CB Throne (Hitachi Medical, Kashiwi-shi, Chiba-ken, Japan), 3D Accuitomo products (J. Mor...

show abstract

“…[5][6][7] To date, there have been few studies comparing image quality in cone beam CT (CBCT) scans with that in multislice CT. 8 Cadaver and clinical studies have provided the principle evidence for the application of CBCT imaging to endoscopic sinus surgery, concluding that both spatial and soft-tissue contrast were sufficient to aid surgical navigation in the sinonasal cavity. [9][10][11] Preliminary evidence suggests that CBCT may be suited to specific imaging tasks in the context of bony structural evaluations enabling low-dose assessment of sinonasal anatomy.…”

Section: Introductionmentioning

confidence: 99%

Cone beam CT analysis of Haller cells: prevalence and clinical significance

Mathew

Omami²,

Hand³

et al. 2013

Dentomaxillofacial Radiology

View full text Add to dashboard Cite

Objectives: Haller cells are anterior ethmoid air cells located in the medial orbital floor immediately lateral to the maxillary infundibulum. The purpose of this study was to demonstrate the prevalence and relationship between the existence and size of these cells with ipsilateral maxillary sinusitis and orbital floor dehiscence as visualized on cone beam CT (CBCT) images. Methods: CBCT image volumes of 50 patients were retrieved and analysed. All CBCT images were acquired with a 9-inch field of view scan. x 2 and Cochran-Mantel-Haenszel tests were used for statistical analysis of the obtained data, and p-values of ,0.05 were considered to be statistically significant. Results: There was no statistically significant association between the existence and size of Haller cells and maxillary sinusitis. There was a significant association between Haller cells and orbital floor dehiscence. Conclusions: The explanation of maxillary sinusitis on the basis of mechanical obstruction is unlikely. This study provides evidence for the usefulness of CBCT scan in delineation of the sinonasal anatomy.

show abstract

Clinical Utility of Intraoperative Volume Computed Tomography Scanner for Endoscopic Sinonasal and Skull Base Procedures

Abstract: Intraoperative volume CT scanning was successfully performed in 25 patients undergoing ESS. Because additional surgical intervention was performed in 24% of cases, this technology may have an important role in endoscopic sinonasal and skull base procedures.

Cited by 57 publications

References 19 publications

Low-dose computed tomography of the paranasal sinus and facial skull using a high-pitch dual-source system—First clinical results

Low-dose computed tomography of the paranasal sinus and facial skull using a high-pitch dual-source system—First clinical results

Conebeam CT of the Head and Neck, Part 2: Clinical Applications

Cone beam CT analysis of Haller cells: prevalence and clinical significance

Contact Info

Product

Resources

About