????:1????????:????

2??????????

3??????????

4?????????

5?????????

?????????CT?????????,???????(????),?,???,?????????????????????????????????????CT???“????????”????????????????????,???????????,????????????,???????

?????????????????

“??????????????”???????????

?????????????????????,???????,????“????”??????,???,????????????????????????????“????,???????????,????????????”?????????????????????,???????

“???????????”??????,??????,????????????,??????20%-30%??????,?????????,???????????,??????????????,???,????????“???????”??????????????????,??????“?????????????”??????,????????;?????,?????????????????????????????????CT??????????????

??,?????????,?????????????????????????????????,??,?????,?????MRI????????CT???

????????????

??,“??”???“???????????”?????,??????????,?????????????????????????????????,????????,???????????????????????????????????????,??????,??;????(??????????????????????)????,??????,????????????????????

“?????????”??????,?????,??,?????????????????????????,????????????,????????????????

???????????“???????????????”???????????

“???????????????????,??????????,????”???,??CT?????,??????????“?????????”???????“??????????”???????????????????????,????

?????????,?????,?????“??????????????”?????????????????;?????,????????????????????,?????????????“????”,???“??????”??????????????“???????????”??????????????????????,?????,??????,?????????????????????????????,??????????,????,?,???“???????????????????????????????????????????????????,????????????”

????????????,???????????,?????,???,??????????????????,??,??????????,????????????,????????????????????????????????????????????,??????????????????????????????????,????????????????????,????????????,?????,??????

?????????????,????????????????????,??????????????????,?????????????????,??????????????????????????????,???????????????????????,??????????????????????????,????????

??

???,????????????“????,???????????????????,???????????????;?????????,??????;????????????????,??????????(??????????)???????”???????????

???????????,????????????????,???????????????????????????????????,??????????“????,??,???????????????????????????”??????????????,????????,????????????,??????????

??????????????,??,???????,?????????????(??? ????) ??:?????