腫瘤影像學(xué)概論2005年8月張曉鵬

1、Peking University School Of Oncology腫腫 瘤瘤 影影 像像 學(xué)學(xué) 概概 論論張曉鵬北京大學(xué)臨床腫瘤學(xué)院北京大學(xué)臨床腫瘤學(xué)院北京腫瘤醫(yī)院北京腫瘤醫(yī)院Peking University School Of OncologyHistory1901年諾貝爾物理學(xué)獎年諾貝爾物理學(xué)獎Rontgen, W.K., (18451923）Peking University School Of OncologyMethodX-ray 透視透視 平片平片 斷層斷層 造影造影 CR DRPeking University School Of OncologyDigital Imag

2、ePeking University School Of OncologyHistory1978年諾貝爾生理學(xué)或醫(yī)學(xué)獎年諾貝爾生理學(xué)或醫(yī)學(xué)獎Godfrey N. Hounsfield（1912 ）Allan M. Cormack（1924-1998）Peking University School Of OncologyCT(Computed Tomography)Conventional CT Helical CTMulti-slice CTPeking University School Of OncologyPeking University School Of OncologyCTPe

3、king University School Of OncologyPeking University School Of OncologyCT NumberThe CT number is a measure of the total absorption coefficient of a tissue element,positive for value higher than water and negative for values less than w a t e r ( w a t e r = z e r o ) .CT number is the Hounsfield unit

4、HU.Peking University School Of OncologyPeking University School Of OncologyCT Numbers (HU)水：水： 0 10 空氣：空氣：+400Peking University School Of OncologyPeking University School Of OncologyCT Window Wide and LeverPeking University School Of OncologyPeking University School Of OncologyPaul C. LauterburPeter

5、 Mansfield2003年諾貝爾生理學(xué)或醫(yī)學(xué)獎年諾貝爾生理學(xué)或醫(yī)學(xué)獎Peking University School Of OncologyPeking University School Of OncologyMRI Magnetic Resonance ImagingPeking University School Of OncologyMRIPeking University School Of OncologyMRIPeking University School Of OncologyMRIPeking University School Of OncologyPeking Un

6、iversity School Of OncologyBasic Knowledge自然對比人工對比密度信號 強(qiáng)化 Peking University School Of OncologyContrast agentAirBariumIonic iodinated agentNonionic iodinated agentGadoliniumPeking University School Of OncologyIodinated agentPeking University School Of OncologyGadoliniumGd-DTPAPeking University School

7、 Of Oncology正常人體組織的信號特征正常人體組織的信號特征組織名稱T T1 1WIWIT T2 2WIWI脂肪、骨髓脂肪、骨髓白白灰白灰白肌肉肌肉黑灰黑灰灰灰肌腱、韌帶肌腱、韌帶黑黑黑灰黑灰骨骼、鈣化骨骼、鈣化黑黑黑黑纖維軟骨纖維軟骨黑黑黑灰黑灰透明軟骨透明軟骨黑灰黑灰灰灰氣體氣體黑黑黑黑水分水分黑黑白白血流血流黑黑黑黑Peking University School Of OncologyEnhancement正常解剖正常解剖病灶定位病灶定位病灶定性病灶定性腫瘤血供腫瘤血供生長方式生長方式生理屏障生理屏障Peking University School Of Oncology常見腫

8、瘤影像診斷概況常見腫瘤影像診斷概況Peking University School Of OncologyCHESTLocationClassificationPercutaneous BiopsyTumor Staging Specific Lung TumorLung MetastasisPeking University School Of OncologyLymph Nodes ImagingPeking University School Of OncologyGastrointestinal TractDouble Contrast Examination Computed TomographyTumor StagingPeking University School Of OncologyBreastMammographyPeking University School Of OncologyMammographyPeking University School Of Oncolog