放射腫瘤學的高科技進展Radiotherapy
許醫師
------------
3D conformal RT, 順形:順腫瘤形
DVH;
Dose-volume histogram
攝護腺癌要注意: 放射性膀胱炎 放射性直腸炎
頭頸部要注意:唾液腺喪失-> 口乾
------------
IMRT; Intensity modulated RT
Multi leaf
collimator MLC
Reverse
therapy plan
5-7 Angle
減少副作用
------------
IGRT image-guided RT
EPID; Electronic Portal Imaging Devices
Motion view
IGRT with active breathing control(ABC)
------------
Kv 光電效應
Mv 康普頓效應, 軟組織不清楚
------------
Elekta
synergy
Kv
based CT corn beam 在MVRT的90度方向
可以六維度矯正(xyz+deviation)
因為是椎型，only cental image is good
------------
Fiducial
marker
金(gold)
Marker may
migration, wait 1 weeks before RT
Artifact
Now, RFID
------------
最新用MRI導引
減少干擾，放射線
軟組織清楚
------------
X-ray 直線加速撞擊，常態分佈spectrum
Gamma
ray fixed: Co60 2 kinds of photon
------------
Tomotherapy
螺旋刀
Time
consuming
VMAT
VOLUMETRIC 瑞速刀
Circle
主要用在攝護腺，頭頸，total scalp
Lung很敏感，非常不適合
------------
Gamma knife
Radiosurgery
Dr. Lars Leksell, Sweden
------------
Proton
Bragg peak
Neutron
contamination
迴旋加速Cyclotron，同步加速Synchrotron
------------
Heavy carbon
Fragmented
tail
------------
沒有留言:
張貼留言
歡迎指教