Abstract
In the surgery of meningiomas one of the most delicate problems is the separation of the tumor from the brain surface. The authors generally recommend microsurgery to preserve the brain surface anatomically and functionally. For this purpose we have developed a new surgical technique according to our concepts of tissue care. After excavating the tumor from inside the tumor brain surface was separated by repeated “water jets” into the tumor arachnoideal space. The “water jet” was produced by an ordinary bulb syringe. The front pressure of the jets was 300–1000 mm of water and the side pressure 100–300 mm of water. In the tumorarachnoideal space the spreading water (phys. NaCl) separates the brain from the tumor with utmost care. We operated on 55 meningiomas of different types with the “water jet” technique. The immediate results were anatomically excellent. Intraoperative and postoperative acute and late edemas appeared only in a few cases. The functions of the nearby brain were generally preserved. The surgery was uneventful when the tumor surface was smooth and the tumor was spherical. When the tumor surface was uneven, one part of the tumor extended under the dura as a thin layer or the tumor was multilobulated with expanded vessels between the lobules, more microseparation was necessary. We compared the results of the “water jet” technique with the results of the “pre-water jet” series. The surgery with the “water jet” technique was much shorter and its results were better than those of microsurgery alone.
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Toth, S., Vajda, J., Pasztor, E. et al. Separation of the tumor and brain surface by “water jet” in cases of meningiomas. J Neuro-Oncol 5, 117–124 (1987). https://doi.org/10.1007/BF02571299
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DOI: https://doi.org/10.1007/BF02571299