Objective to analyze the causes of scalp hydrops following operation on tumor in posteriorfossa and discuss how to prevent and cure it.
目的分析后颅窝肿瘤术后皮下积液的原因，并探讨其防治措施。
2
Suboccipital retrosibmoidal craniotomy with replacement of bone flap and deep muscle incision, suture in turn were used in patients to improve the operative effect of posteriorfossatumor.