Objective: to probe the role of ct in guided thalamotomy and posteroventral pallidotomy for Parknson's disease.
目的：探讨CT在帕金森病丘脑腹外侧核及苍白球腹后部毁损术中的定位作用。
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Objective to study the target localization at posteroventral pallidotomy (PVP) in order to treat Parkinson's disease (PD) and explore the law of the target coordinates.