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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Image-guided osteoplastic frontal sinusotomy.

BACKGROUND: A 6-ft Caldwell radiograph template and transillumination, typically, are used to elucidate the frontal sinus outline for osteoplastic frontal sinusotomy (OFS). These techniques can be fraught with imprecision. The consequences of imprecise OFS may result in significant complications. Computer-aided surgery may offer a safe and accurate alternative to these techniques in selected cases. Several disadvantages were noted with early computer-aided assistance. Current infrared and electromagnetic systems have eliminated many of these disadvantages. We describe our technique and experience with an infrared image-guidance system (The LandmarX Evolution; Medtronic Xomed, Jacksonville, FL) to create a precise OFS that maximizes exposure while minimizing morbidity. METHODS: We describe the use of an infrared image guidance system, the LandmarX Evolution for OFS in three cases. RESULTS: The LandmarX Evolution allowed for accurate placement of the OFS in each of the three cases and successful treatment of two symptomatic frontal sinus osteomas and a recurrent inverted papilloma. No complications were encountered. CONCLUSION: Image-guided OFS results in a confident and accurate entry into the frontal sinus. Image-guided OFS creation should be considered for select cases (i.e., complete opacification and altered anatomy) where performing an OFS by standard techniques may increase the complication rate. More experience with the technique and increased accessibility to image-guided equipment must be made possible before establishing this technique as a standard.[1]


  1. Image-guided osteoplastic frontal sinusotomy. Innis, W., Byrne, P., Tufano, R.P. American journal of rhinology. (2005) [Pubmed]
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