腹部實質(zhì)性臟器的正常與異常影像學(xué)表現(xiàn)

AbdominalCT腹部實質(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；脾臟的強化:arterialphase脾動脈腸系膜上動脈腸系膜下動脈胃十二指腸動脈胃左動脈肝總動脈脾靜脈腸系膜上靜脈門靜脈腸系膜下靜脈AbnormalitiesLiver

肝臟的異常影像學(xué)表現(xiàn)肝葉大小改變增大：代償縮?。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化高強化低強化延遲強化特殊強化DensityNoted：異常密度的邊界平掃：低密度；增強：高強化平掃：低密度；增強：無強化容積效應(yīng)特殊強化特征靶征，病理結(jié)構(gòu)基礎(chǔ)？填充式強化，快進慢出TrueFalseB請判斷：圖A、B中的病灶最外緣具有相同的強化特點？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無梗阻的膽道擴張充盈缺損Fillingdefect膽道腔內(nèi)異常密度膽道壁異常密度、異常強化?5monthslater…PancreasSizeShapeandborderDensityEnhancementPancreaticductSize,shapeandtheborderDensityEnhancement囊性病變：無強化實性病變：低/高強化；不均勻強化PancreaticductThedensityofthepancreaisabnormalTrueFalseThepancreaticductisdilatedTrueFalse脾臟大小及數(shù)目異常sizeandnumber密度異常density強化異常enhancement：血管及淋巴系統(tǒng)大小及數(shù)目異常密度異常強化異常Whichspleenisabno