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Journal of Korean Neurosurgical Society 1988;17(6): 1369-1376.
Evaluation of Ultrasonic Aspiration in the Surgical Removal of Spinal Intradural Tumors.
Eun Young Kim, Hwan Yung Chung, Nam Kyu Kim, Kwang Myung Kim, Suck Jun Oh
Department of Neurosurgery, College of Medicine, Hanyang University, Seoul, Korea.
ABSTRACT
The cavitron ultrasonic surgical aspirator(CUSA) has been used for the surgical removal of 26 cases of spinal intradural tumors. In 26 patients, total removal was possible in 77% and there was no neurological deterioration due to surgical removal using CUSA. 21 of 26 patients(84%) showed neurological improvement at long term follow-up examination. The cavitron ultrasonic surgical aspirator had advantages in the surgical removal of spinal intradural tumors, as follows:1) precise removal of tumor without excessive meahcnical manipulation of normal tissue;2) rapidity of action relative to the consistency of the tissue;3) direct visualization of the tissue being removed and good proprioceptive feedback for the surgeon;4) preservation of large vessel and very little bleeding;5) lack of thermal injury. The limitation of CUSA was obscuring of operation field by large and straight hand piece.
Key Words: Cavitron ultrasonic surgical aspirator; Spinal intradural tumor
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