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Arch Otolaryngol Head Neck Surg. 1999;125:1279-1280.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

THIS REVIEW of image-guidance technology for endoscopic sinus surgery is timely and well written. It summarizes the major issues and controversies in an organized, unbiased fashion. Casiano concludes that "currently available image-guidance technology requires a great deal of preoperative planning" and that "it cannot be used on an as-needed basis." In addition, the author states that although image-guidance technology has the potential to assist the surgeon in selected cases, significant outcome data are not available.

Figure appears in full text version. Christopher H. Rassekh, MD

Three articles that the author does not mention merit attention. First, Carrau et al¹ demonstrated that computer-assisted imaging is more accurate than the traditional 1.8-m (6-ft) Caldwell view for frontal sinusotomy. Metson et al² have done a comparison of image-guided surgery using an electromagnetic system (InstaTrak; Visualization Technologies Inc, Woburn, Mass) and an optical detection system (Stealth Station; Sofamor Danek Group Inc, Memphis, Tenn) and have shown that these systems have . . . [Full Text of this Article]