腹部實(shí)質(zhì)性臟器的正常與異常影像學(xué)表現(xiàn)

AbdominalCT腹部實(shí)質(zhì)性臟器的正常與異常影像學(xué)表現(xiàn)

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1234CT增強(qiáng)的各期如何分辨PleasearrangetheimagesA-Dintheorderofnonenhanced,arterial,portalanddelayphaseABCDA,B,C,DB,C,A,DD,B,C,AC,B,D,A圖像是上下連續(xù)的。。。Hepaticlobesandsegmentsleftlateralsuperior/inferiormedialcaudalleftrightcaudalrightanteriorsuperior/inferiorposteriorsuperior/inferior

*肝裂：fissures左葉間裂肝主裂BileductsystemBileduct：intrahepaticduct肝內(nèi)膽管Hepaticduct左右肝管Commonbileduct膽總管Gallbladder膽囊及膽囊管Howmanydifferentimagingtoolsforcholangiography?MRCP(MagneticResonanceCholangio-Pancreatography)CTCP(ComputedTomographyCholangio-Pancreatography)ERCP(EndoscopicRetrogradeCholangio-Pancreatography)PTC(PercutaneousTranshepaticCholangiography)左側(cè)肝內(nèi)膽管肝總管膽總管十二指腸后段膽總管胰內(nèi)段膽管系統(tǒng)的變異PancreasFatinfiltrationPancreaticductPancreas胰頭、胰頸、胰體、胰尾、胰腺鉤突MSCTCholangiopancreaticographySpleen脾高;肋單位;分葉;副脾accessoryspleen；脾臟的強(qiáng)化:arterialphase脾動(dòng)脈腸系膜上動(dòng)脈腸系膜下動(dòng)脈胃十二指腸動(dòng)脈胃左動(dòng)脈肝總動(dòng)脈脾靜脈腸系膜上靜脈門(mén)靜脈腸系膜下靜脈AbnormalitiesLiver

肝臟的異常影像學(xué)表現(xiàn)肝葉大小改變?cè)龃螅捍鷥斂s?。簱p傷肝臟輪廓外凸：mass內(nèi)凹：牽拉SizeandRatioNoted：肝裂的變化Contour肝臟的異常影像學(xué)表現(xiàn)肝臟密度彌漫與局灶低密度高密度等密度肝臟強(qiáng)化高強(qiáng)化低強(qiáng)化延遲強(qiáng)化特殊強(qiáng)化DensityNoted：異常密度的邊界平掃：低密度；增強(qiáng)：高強(qiáng)化平掃：低密度；增強(qiáng)：無(wú)強(qiáng)化容積效應(yīng)特殊強(qiáng)化特征靶征，病理結(jié)構(gòu)基礎(chǔ)？填充式強(qiáng)化，快進(jìn)慢出TrueFalseB請(qǐng)判斷：圖A、B中的病灶最外緣具有相同的強(qiáng)化特點(diǎn)？A差別在哪里？Bileductsystem膽道系統(tǒng)的異常影像學(xué)表現(xiàn)膽道梗阻與擴(kuò)張充盈缺損與腔內(nèi)異常密度膽道系統(tǒng)管壁異常ObstructionDifferentlevelsIntrahepaticductHepaticductCommonhepaticductCommonbileductVater’sampulla無(wú)梗阻的膽道擴(kuò)張充盈缺損Fillingdefect膽道腔內(nèi)異常密度膽道壁異常密度、異常強(qiáng)化?5monthslater…PancreasSizeShapeandborderDensityEnhancementPancreaticductSize,shapeandtheborderDensityEnhancement囊性病變：無(wú)強(qiáng)化實(shí)性病變：低/高強(qiáng)化；不均勻強(qiáng)化PancreaticductThedensityofthepancreaisabnormalTrueFalseThepancreaticductisdilatedTrueFalse脾臟大小及數(shù)目異常sizeandnumber密度異常density強(qiáng)化異常enhancement：血管及淋巴系統(tǒng)大小及數(shù)目異常密度異常強(qiáng)化異常Whichspleenisabno