@article{oai:sapmed.repo.nii.ac.jp:00008003, author = {下道, 正幸 and 佐々木, 雄彦 and 岡田, 好生 and 井出, 渉 and 田中, 千春 and 嶋崎, 光哲 and 鎌田, 一 and 中村, 順一 and 末松, 克美 and 西谷, 幹雄 and 徳田, 禎久}, issue = {1}, journal = {北海道脳神経疾患研究所医誌 = Journal of Hokkaido Brain Research Foundation}, month = {Aug}, note = {CT-guided stereotactic surgery has been carried out as both a diagnostic and a therapeutic use for mass lesions of the posterior fossa since 1983 in our clinic. Thirty-five patients were operated on by Komai's CT stereotactic apparatus for aspiration of sixteen cerebellar hematomas and fourteen pontine hematomas, for biopsy of two cerebellar tumors and two brain stem tumors, and for aspiration of a cerebellar brain abscess. The operative method and results are discussed. All these patients were operated under local anesthesia in semi-lateral position through all stereotactic procedures. The suboccipital burr holes were placed at 3cm posteriorly from the mastoid process in parallel with OM line. The trans-cerebellar approach was used in all patients. In sixteen patients with cerebellar hematomas, fourteen were completely evacuated by this methods. In fourteen patients with pontine hematomas, eleven were evacuated satisfactory. Five biopsy was performed on four patients with mass lesions of posterior fossa. A definitive diagnosis was obtained in all cases. Aspiration of brain abscess resulted in immediate neurological improvement in one patient. No morbidity or mortality related to surgery occured in this series. These good operative results indicate that this stereotactic procedure is acceptable for mass lesions of posterior fossa. The value and adaptability of the instrumentation and techniques are illustrated.}, pages = {50--56}, title = {後頭蓋窩病変に対する CT-guided stereotactic surgery}, volume = {1}, year = {1988} }