Eighteen cases of forensic re autopsy and histopathological re examination were analyzed retrospectively. The manner and the impression of original autopsy,times of autopsy,the reason and manner of forensic re autopsy,the interval betwwen the original autopsy and the re autopsy as well as the last conclusions were analyzed.It was found that the forensic re autopsy always occured in cases of medical disputes(3 cases,16 7%) and death related to the police investigation(4 cases,22 2%).Only external examination and incomplete forensic autopsy were done originally in 13 out of 18 cases(72 2%).The conclusions of re autopsy were completely different from that of the original autopsy in 5 cases.Attension must be paid and prevention measures for re autopsy must be adopted were also discussed.

Objective to investigate therapeutic methods and effect of X-knife for on intracranial diseases. Method Recent effect of 44pqtients with cranial diseases by X-knife was observed. Radiological follow-up was performed on 40 cases with mean 5.65 months of followup time. Result 92.5% of tumors were controlled locally, stability and recovery rate was 90.0%. The local control of metastatic tumors of brain was higher, but most patients with metastatic tumors died of primary lesion. New metastatic lesions appeared in patients without panencephalic radiotherapy in 1～5months. Tumors of pineal region were sensitive to X-knife. Conclusion X-knife has a definite effect on intracranial diseases. For patients with tumors of pineal region complicated by serious hydrocephalus, shunting should be conducted before X-knife treatment. For patients with mild or morderate hydrocephalus, X-knife chould be utilized only under correct interventions such as dehydration. The local control rate of intracranial metastatic tumors was high, but survival time postoperation depended on panencephalic radiotherapy or control of primafry lision. For tumors with diameter＞ 3cm, pituitary tumors, brains stem tumors and tumors in cerebellopontine angle region repeated X-knife were suggested, which could improve cure rate and decrease complications.