Download Acoustic Neuroma: Consensus on Systems for Reporting Results by Mirko Tos, Jens Thomsen (auth.), Jin Kanzaki M.D., Mirko Tos PDF

By Mirko Tos, Jens Thomsen (auth.), Jin Kanzaki M.D., Mirko Tos M.D., DMSc dr.h.c., Mario Sanna M.D., David A. Moffat M.D., Takanobu Kunihiro M.D., Yasuhiro Inoue M.D. (eds.)

ISBN-10: 443167960X

ISBN-13: 9784431679608

This quantity of the Keio college overseas Symposia for LifeSciences and drugs comprises the lawsuits of the 11th symposium held less than the sponsorship of the Keio collage clinical technological know-how Fund. As defined within the starting comments via the President of Keio collage, the fund used to be demonstrated via the beneficiant donation of Dr. Mitsunada Sakaguchi. The Keio collage foreign Symposia for all times Sciences and drugs represent one of many center actions backed through the fund, the target of that's to give a contribution to the foreign group through constructing human assets, selling medical wisdom, and inspiring mutual trade. every year, the Committee of the overseas Symposia for all times Sciences and drugs selects the main major symposium subject from purposes got from the Keio scientific neighborhood. The e-book of the lawsuits is meant to publicize and disseminate the knowledge bobbing up from the full of life discussions of the main fascinating and present matters awarded through the symposium. On behalf of the Committee, i'm such a lot thankful to Dr. Mitsunada Sakaguchi, who made the symposia sequence attainable. Weare additionally thankful to the trendy audio system for his or her contribution to this quantity. In addition,wewould liketo recognize the efficientorganizational paintings played via the contributors of this system committee and the workers of the fund. Naoki Aikawa,M.D.,D.M.Sc., EA.C.S.

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Extra info for Acoustic Neuroma: Consensus on Systems for Reporting Results

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Each tumor can be assessed by an IC number (which could be 0 for medial-type tumors) and an EC number (which could be 0 for purely IC tumors). Subdividing different tumor sizes as small, medium, large, and giant could be awkward in terminology and provide some difficulty in reaching a consensus. Thus, it seems more appropriate to grade tumors into different size categories where each category spans a range of 10mm . Table I shows such a proposal; authors could easily find significant differences in results between different groups without mentioning small, medium, or large, with Grade I up to I em, Grade 2 up to 2em, etc.

In a similar fashion the IC portion of the tumor should also be given further assessment. A letter should be added to the IC number (in mrn), indicating how far there is dilation of the lAC (d), how far the tumor reache s the fundus (f, followed by the number of millimeters of free fundus), or both (d,f) (Fig. 5). Figure 6 illustrates three examples of the proposed reporting system. A purely IC tumor of 8mm that dilates the lAC and apparently leaves 2mm of 22 M. Aristegui fomm FIG. 5. IC assessment of the tumor: f, reaching the fundus (millimeters free); d, dilating the lAC.

Acoustic neuroma, Size, Measurements, Reporting system, Follow-up Introduction Great discrepancy exists between different authors in the assessment of tumor size. We are all speaking about small, medium, large, or giant tumors, and there is no agreement about the size of the tumor for each group. Linear measurements are the most widely used, with area tracing methods and volume tracing methods being proposed as more accurate. Unfortunately, we are still not close to 100% accuracy, and no new method has gained advocates.

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