颅骨骨折是指头骨部位出现骨折，颅骨骨折通常是钝性创伤（跌倒、交通事故或殴打）造成的[1]。如果对头骨冲击力过大，头骨就有可能骨折，并对颅骨内的脑脊膜、血管和人脑造成损害。颅骨骨折时头皮有可能被划伤，也有可能不划伤。[2]
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