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对１５例经头颅ＣＴ确诊的自发性小脑出血进行了临床与ＣＴ分析。高血压性动脉硬化为其首要病因，其次为脑动静脉畸形，脑动脉瘤。好发部位以左侧小脑半球多见。ＣＴ扫描有助于早期诊断，早期治疗。并对估计预后有重要意义。对于血肿位于蚓部破入四脑室，有脑干受累征象，血肿量＞１６ｍｌ以上，无论年龄大小应尽早手术治疗，可减少死亡率。如血肿位于半球，血肿量＜１５ｍｌ，无脑干受累征象，保守治疗效果满意。手术的选择主要取决于血肿部位，其次为病人基本病情及血肿量。
Fifteen patients with idiopathic cerebellar hemorrhage diagnosed by skull CT were analyzed by clinical and CT. Hypertensive arteriosclerosis is the primary cause, followed by cerebral arteriovenous malformations and cerebral aneurysms. Prevalence to the left cerebellum hemisphere more common. CT scan can help early diagnosis and early treatment. And the prognosis is of great significance. For the hematoma in the vermis buried in the fourth ventricle, brain stem signs of involvement, hematoma volume> 16ml or more, regardless of age, surgical treatment should be as soon as possible to reduce mortality. Such as hematoma in the hemisphere, hematoma volume <15ml, no signs of brain stem involvement, conservative treatment with satisfactory results. The choice of surgery mainly depends on the hematoma site, followed by the patient’s basic condition and hematoma volume.