醫(yī)學(xué)影像學(xué)英語字幕組聽寫稿signs

[0:10.7]Thisis Podcast53fromLea :100ImagingSigns,Part1. o,I'mWilliamHerringfromAlbertEinsteinMedicalCenterinPhiladelphia.[0:23.6]Inthispodcast,wearegoingtoseeexamplesofeachof50imagingsigns.[0:29.2]We'lldescribethesign,namethesignordescriptiveterm,andatleastonediseaseinwhichthefindingoccurs.[0:36.5](?)AsalwayspauseyourcomputerMP3yerwheneveryouwishtolookatthematerialforalongerperiodoftime.[0:44.5]Thisisthefirst[0:47.1]What'sthenameofthesign,andwhatmightbeseeitin? PauseyourcomputerMP3[0:53.4]Thisisthe"accordionsign"whichistheappearanceoforalcontrasttrappedbetweencolonicfoldsonCTscan.[1:00.5]Thefoldsarethickenedbysubmucosaledema,especiallyinsomethinglikeclostridium(C.)defficilecolitis,pseudomembranouscolitis,althoughitcanbeseeninother[1:11.8]Whatsignisbeingdemonstratedbytheinfiltrateinsideofthisred[1:19.1]Thisisan"airbronchogram"whicharetheblack-branchingstructuresrepresentingair-filledbronchi[1:24.9]whicharevisiblebecausetherearesomethingotherthanairsurroundingthemintheairspace,suchas,inthiscase,infltoryexudateinponia.[1:36.2]Whatsignisbeingdemonstrated[1:40.7]Thisisthe"aircrescentsign"whichisasickle-shapedlucencypartlysurroundingamassinapulmonaryseenonchestX-rayorCT.[1:49.6]Classically,it'sseenwithaspergillomas.[1:55.5]Whatisthenameofthispattern?[2:00.2]Thisisan"angel-wing(bat-wing)pattern"whichischaracteristicofpulmonaryedema[2:06.4]whichtendstoinvolvetheperihilarregionsandsparethecortices(theouteraspects)ofthelung.[2:15.8]Whatsignisbeingpointedto[2:21.5]That'sthe"aorticnipple"whichrepresentsapersistentleftsuperiorintercostalveinasitwrapsaroundtheouteredgeoftheaorta,isusuallyanormalfinding.[2:34.7]Whatsignisdemonstrated[2:39.7]Thatisa"snow-cap"whichisthedenseappearanceofthehumeralheadfromavascularnecrosisthoughttoresemblesnowonamountaintop.[2:49.1]Possiblecausesincludesteroidadministrationorsicklecelldisease.[2:56.4]Whatsignisbeingdemonstratedhere?[3:01.2]Thisisthe"bamboospine"whichistheundulatingcontourofthespinecausedbybridgingsyndesmophytes,usuallyseeninankylosingspondylitis.[3:13.9]Whatsignisdemonstrated[3:18.7]That'sthe"bevelededgesign"whichistheasymmetricerosionoftheinnerandoutertablesoftheskull,usuallyseenwitheosinophilicgranuloma.[3:30.4]Whatsignisseen[3:35.2]Thisisthe"upside-downstomach"whichrepresentsorganoaxialgastricvolvulusinwhichthegreatercurvewhicharerotatesuperiorlyandthelessercurvewhichareinferiorly.[3:48.4]Whatsignisbeingdemonstratedhereinthisrareandunusualdisease?[3:57.0]That'sthe"blackpleuralline"whichistheparadoxicalappearanceofthepleurainpulmonarymicrolithiasisbecauseoftheinnumerabledensecalcificationswhicharepresentinthelunginthatdisease.[4:12.1]Whatsignis[4:15.9]Thisisthe"bladeofgrasssign",alsocalledthe"flamesign"whichistheadvancing,wedge-shapedosteolyticmarginofactivePaget'sdiseaseofbone.[4:25.5]It'susuallyseeninthediaphysisasitisinthfemurinthisindividual.[4:33.5]Whatsignisdemonstratedhere?[4:38.2]Thisisabone-within-a-bonewhichisaninnerlayerofcorticalnewbonewithinanexistingbone.[4:44.6]Itcanbeseenwithosteopetrosisandsicklecell[4:48.1]Inthiscase,theseareghostvertebrawhichareseewithThorotrastinjectionsinchildhood[4:54.6]Theredcircleisdemonstratingthedensecontrast-filledabdominallymphnodeswhichstillcontaintheThorotrast.[5:05.5]Whatsignis[5:09.5]Thisisthe"bootshapedheart",theshapeofheartintetralogyofFallot[5:14.4]duetoanupturnedapexfromrightventricularhypertrophyandaconcavepulmonaryarterysegment.[5:24.4]Whatsignisdemonstratedinsideofthered[5:31.0]Thisisthe"tree-in-budpattern",abronchiolefilledwithfluid,pusorthelike(?)resemblingabranchingtreewithbuds.[5:38.7]It'sseeninanairwaydiseaseandisrelativelycommoninendobronchialspreadofaninfection,suchastuberculosis.[5:49.6]Whatsignis[5:53.9]Thisisa"talarbeak"whichisthatupwardbonyprojectionfromtheanterosuperioraspectofthetalusthatcanbeassociatedwithtarsalcoalition.[6:06.0]Whatsignisdemonstrated[6:11.1]The"dripcandlewaxsign"whichiscorticalhyperostosisusuallyononesideofabonewhichwaslikentomeltingwax,seeninmelorheostosis.[6:25.4]What'sthenameofthis[6:30.6]The"clusterofgrapesign",multiplegas-containingcysts,mostfrequentlyinsegmentofleftclonicwallinp atosiscystoidesintestinalis.[6:43.4]Whatsignisbeingdemonstrated[6:48.7]Thisisa"Codman'striangle"whichisthattriangularelevationofperiosteumfroman usuallymalignant,bonetumor,suchasan [7:01.1]Whatisthenameofthis[7:05.2]Thisisthe"kidneybeansign",alsoknownasthe"coffee-beansign",whichistheofthegrosslydilated,roundedsigmoidcoloninasigmoidvolvulus.[7:17.8]Whatsignisthis,inwhichthereisadilatedtransverse[7:24.4]Thisisthecoloncut-offsignwhichisadilatedtransversecolon,usuallytothepointofthesplenicflexureassociatedwithpancreatitis,ischemiccolitis,oranobstructinglesionoftheleft[7:38.8]Whatisthenameofthis[7:42.6]Thisisthe"comettailsign",whichisfromafocalareaofcollapsedlungadjacenttoanareaofpleuralthickeningwithsubsequentdistortionofthebloodvessels.[7:53.1]It'sseeninroundeda iswhichismostoftenduetoasbestosrelatedpleuraldisease.[8:04.4]Theredarrowispointingtowhatsignhere?[8:10.1]Thisisthe"continuousdiaphragmsign",whichisthevisualizationoftheentireuppersurfaceofthediaphragmfromap [8:20.8]Whatsignis[8:24.6]Thisisthe"corduroysign"whicharetheverticallyoriented,thickenedtrabeculaeseeninhemangiomasofvertebralbodies.[8:35.1]Whatsignisdemonstrated[8:39.9]Thisisa"corkscrewesophagus"whichistheconstricted,twistedlumenusuallyseenindiffuseesophagealspasmfromabnormaltertiarycontractions.[8:53.3]Whatisthenameofthis[8:57.8]Thisisthecottonwoolappearance,islandsofpoorlymarginatedscleroticbonesurroundedbylessdenseskullinPaget'sdisease.[9:09.0]Whatisthenameofthis[9:13.8]Thisis"crazypaving",afinereticularpatternsuperimposedonareasofground-glassopacityseenonhigh-resolutionCTofthechestandfirstdescribedwithalveolarproteinosis,althoughitisseenwithotherdiseases.[9:30.8]Whatsignisbeingdemonstrated[9:36.1]Thisisthe"deepsulcussign"whichistheinferiorlydepressedcostophrenicanglefromapothoraxseenonasupineradiographofthechest.[9:48.1]Whatisthenameofthis[9:52.5]Thisisthe"densehilumsign"whichistheappearanceofthehilumwhichisneitherenlargeditselfnorcalcified,implyingtherearesomethingsuperimposedonitinthelung.[10:06.3]Whatisthenameofthissign?[10:10.9]Thisisthe"densemiddlecerebralarterysign"whichisarelativelyearlyCTsign(lessthan6hours)ofanischemicstrokeseenwiththrombosisofthemiddlecerebralartery.[10:21.5]Falsepositivefindingsmayoccur.[10:26.9]Whatisthenameofthissign?[10:30.6]Thisisthedoublebubblesignrepresentingadilatedstomach(thebluearrow)andtheproximalduodenum(theredarrow)inanewborn,typicallyseeninduodenalatresia,midgutvolvulusorannularpancreas.[10:47.4]Whatisthenamegiventotheappearanceofthislymph[10:53.9]Thisis"eggscalcification",peripheralcalcificationofthoraciclymphnodes,mostoftenseeninsilicosis,butalsosarcoidandoccasionallypostX-raytherapy.[11:07.8]Whatisthenameofthis[11:12.6]Thisisthe"falciformligamentsign"whichisvisualizationoftheusuallyfalciformligamentalongtheanterioredgeoftheliverfromairsurroundingitasinpoperito.[11:27.6]Whatisthenameofthis[11:32.6]Thisistheposteriorfatpadsignwhichisthatposteriorcrescent(ric)lucencyseenattheposteriordistalaspectofthehumerusfromfatwhichisbeingdiscedbyfluidintheelbowjointmostoftenassociatedwithafracturearoundtheelbowjoint.[11:49.9]Whatisthenamegiventothis[11:55.0]Theseare"H-shapedvertebra",sometimescalled"Lincolnlogvertebra",whicharecentraldepressionsinthevertebralendtescausedbyavascularnecrosis,suchasmightbeseenwithsicklecelldisease.[12:09.8]Whatisthenameofthis[12:14.6]It'sthe"gobletsign"whichisadilated,cup-shapeoftheureterdistaltoanintraluminalfillingdefectsuchasatransitionalcellcarcinomaseenbestonretrogradestudies,suchasthis.[12:29.7]Whatisthenameofthissign?[12:34.6]Thisis"Golden'sSsign",orthe"reverseSsignofGolden"whichisanSshapecausedbyelevationoftheminorfissure(theredarrow)andthehilarmass(theyellowarrow)producingrightupperlobeaeis.[12:50.6]Whatisthenameofthat[12:55.4]Thisis"Haglund'sdeformity"whichisprominenceoftheposteriorsuperiorcalcanealtuberosityseenmostlyinfemalespresumablyfrompressurebyshoes.[13:07.5]Whatisthis[13:11.6]Thisisthe"hair-on-end"appearancewhichisthespiculatedappearanceofelongatedtrabeculaeinawiddendiploicspaceseeninhemolyticanemias,especiallythalassemia,butalsosicklecelldisease.[13:27.6]Whatisthenameofthat[13:33.0]That's"Hampton'sline",athinlineseeninprofileattheneckofthegastriculcerrepresentingthethinrimofunderminedgastricmucosaandrepresentingabenigngastriculcer.[13:47.6]Whatisthenameofthatdensityassociatedwithwhattheyellowarrowispointingto?[13:55.8]That'sa"Hampton'shump",awedge-shapeddensityattheperipheryofthelungdescribedasasignofpulmonaryinfarction.[14:02.7]Theyellowarrowispointingtoa[14:08.6]Whatisthenamegiventothisabnormalappearanceofthesmall[14:15.8]Thisisthe"hide-boundappearance"whichisnarrowseparationbetweennormal-thicknessvalvulaedespitethepresenceofluminaldilatationandischaracteristicof[14:33.0]Whatisthenamegiventothat[14:38.4]Thatisa"Hill-Sach'sdeformity"whichisafractureoftheposteriorandlalportionofthehumeralheadfromananteriorshoulderdislocation.[14:50.1]Whatisthenamegiventothis[14:55.0]Thisisthe"hilum-overlaysign"whichcanhelptodifferentiatealargepulmonaryarteryfromahilarmassonachestX-ray.[15:03.6]Themass,asinthiscase,willsuperimposeontheunderlyingpulmonaryvesselsandindicatethatthemassactuallyisnotalargepulmonaryartery.[15:16.9]Whatisthenameofthissignonthisnuclearmedicinebone[15:23.9]Thisisthe"Hondasign",whichisthecharacteristicH-shapesimilartothecarmaker'slogoof boneradiotraceruptakeinthesacrumduetosacralinsufficiencyfractures.[15:36.5]Whatisthenamegiventothis[15:40.9]Thisisthe" pletefissuresign"whichisaconcaveedgeproducedbypleuralfluidabuttingan pletemajorfissure.[15:48.8]It'susuallyseenontherightside.[15:54.3]Whatisthenamegiventothispattern?[15:59.5]Thisis" bing"-theclusterofthick-wallcysticspacesrepresentingdilatedandthickenedbronchialwalls.[16:06.1](It)canbeseeninmanydiseasesincludingbronchie is,cysticfibrosis,andeosinophilicgranulomaoflung.[16:14.2]Whatisthenamegiventothis[16:19.2]Thisisthe" pleterimsign",apartlysharplymarginated,partlyindistinctmassfromitsprojectionintoanair-filledstructuresuchasthelungortheatmosphere.[16:31.2]Inthiscase,thiswasalargemoleonthepatient'sskin.[16:36.7]Whatisthenameofthispattern?[16:41.5]Thisisthe"inside-outsign"whichisinversionofportalflowthatproducesaninside-outenhancementoftheliverinwhichtheperipheryishypodenseearly,thenenhancementwillequilibratetheentireliverandissecondarytohepaticveinocclusion.[17:00.7]Whatisthenameofthis[17:05.6]Thisisan"ivoryvertebra",dense,whitevertebralbodyorbodies,essentiallyofnormalshape,mostoftenfromosteoblasticprostateorbreastcarcinomametsorPaget'sdisease.[17:19.3]Finally,what'sthenameofthis[17:24.4]Thisisa"Jackstonecalculus",abladderstonewithjaggedirregularmarginsindicatingitsformationinatrabeculatedbladder.[17:32.3]Itcomesfromthe"ballandjacks"[17:36.9]Andthenextpodcast,podcast54,willhave50moreimaging[17:42.3]Meanwhile,youcanreceivethedescriptionofanimagingsigneveryweekdaybysigningupforadailytwit(?)at [0:10.2]Thisis Podcast54fromLea :100ImagingSigns,Part2-signs51through100. o,I'mWilliamHerringfromAlbertEinsteinMedicalCenterinPhiladelphia.[0:25.3]Inthispodcast,wearegoingtoseeexamplesofeachof50imagingsigns.[0:31.1]We'llnamethesignordescriptiveterm,andnameatleastonediseaseinwhichthefindingoccurs.[0:37.4]Thisisanin ctiveexercisesomakesuretopauseyourcomputerMP3yerifyouwishtotakemoretime.[0:46.5]Hereisthefirstsign.[0:48.5]Whatsignisdepictedhere?[0:53.0]Thisisthe"juxtaphrenicpeaksign",whichisthetent-likeprojectionofthemedialportionofthehemidiaphragmseenwithupperandsometimesmiddlelobea [1:03.5]Inthiscase,thereisrightupperlobea [1:07.8]Whatsignisdepictedhere?[1:12.8]Thisisthe"knucklesign",whichisadilatedpulmonaryarterywithabrupttaperingseeninocclusivediseaselikepulmonaryembolismshownhere.[1:22.9]Whatsignisshown[1:28.0]Thisisa"lead-pipecolon",whichistherigidahaustralappearanceofthecolon,classicallyseenwithchroniculcerativecolitis.[1:39.6]Whatsignisshown[1:44.1]Thisisthe"troughsign",whichisalinearfractureoftheanteriorandmedialportionofthehumeralheadfromaposteriorshoulderdislocation.[1:55.0]Whatsignisshown[2:00.3]Thisisthe"luftsichelsign"(主動脈弓旁透亮征(鐮刀征))whichisthesickle-shaped,overexpandedsuperiorsegmentoftheleftlowerlobeinterposedbetweentheaorticarchandtheaectaticleftupperlobe,towhichthegreyarrowispointing.[2:16.4]Whatsignisdemonstratedhere?[2:21.4]Thisisthe"MersedesBenzsign".[2:23.6]ThetriradiateappearanceofairinagallstoneseenonCTandinfi.[2:30.3]It'ssocalledbecauseofitsresemblancetothecarmaker'slogo.[2:35.8]Whatsignis[2:40.8]Thisisthe"mistymesenterysign"aninfiltrativepatterninmesentericfatseenwithmesentericpanniculitis.[2:49.9]Whatsignisdemonstrated[2:55.6]Thisisthe"molartoothsign"whichistheappearanceofperivesicularfluidonCTinusuallyanextraperitonealbladderrupture.[3:07.5]Whatsignisdemonstratedinthis[3:15.1]Thisisthe"moulagesign"whichisadilatedloopofsmallbowelwitheffacedfoldsresemblingatubeintowhichwaxhasbeenpoured.[3:24.0]It'sseeninsprue.[3:26.9]Whatsignisthis?[3:31.4]Thisisthe"glovedfingersign"whichisafinger-likeprojectionfromthehilumbronchialmucoidimpactioninallergicbronchopulmonaryaspergillosisorinasthma.[3:43.6]Whatsignisdemonstratedhere?[3:49.9]Thisisthe"Napoleonhatsign"whichistheinvertedhat-likeappearanceofL5onthefrontalviewinsevereanterolisthesis.[3:59.2]ItresemblesanupsidedownNapoleonhat.[4:04.9]Whatsignisdemonstratedhere?[4:11.1]Theseare"ribbonribs"-thinnedribs,classicallyseeninneurofibromatosisorregeneratedribsfollowingribresections.[4:22.0]Whatfindingisdepicted[4:27.9]Thisis"laminatedperiostealreaction"involvingmultiplelayersofnewbornformedinsequencearoundthecortex,producinganonionskin-likeappearance,seenusuallywith andinosteomyelitis.[4:43.8]Whatsignisbeingpointedto[4:50.0]Thisisa"padsign",whichisanimpressiononaloopofbowelusuallybyanextrinsicmassororgan.[4:57.5]Inthiscase,itwasadiverticularabscess.[5:02.0]Whatappearanceisbeingshownhere?[5:07.5]Thisisa"pancakekidney"which(is)involvesfusionofboththelowerandupperpolesofthekidneys.[5:14.2]It'salsoknownasadisckidney.[5:19.1]Whatsignisthis?[5:24.4]Thisisa"pear-shapedbladder"whichistheshapeoftheurinarybladderfromextrinsiccompressionfromexcesspelvicfat,asinthiscase,fluid,blood,urine,oradenopathy.[5:37.8]Whatsignisbeingshown[5:43.0]Thisisthe"pediclesign"whichisdestructionofoneofthetwopairedpediclesusuallyseenwithlytic,butsometimesosteoblasticmetastaticdisease.[5:54.2]Theleftpedicleisintact,therightpedicleisdestroyed,inthiscase,bylungcancer.[6:03.8]Whatsignisdepictedinsidetheredcircleshere?[6:10.6]Thisisa"pencil-in-cupdeformity",psoriaticerosionsinwhichthenarrowedendofthemetacarpalorphalanxinsertsintotheexpandedendoftheadjacentbone.[6:23.5]Whatsignisshown[6:28.7]Thisis"pencilpointing",whichisthetaperederosionofthedistalclavicleusuallyseenwithrheumatoidarthritis.[6:36.9]Whatsignis[6:42.4]Thisisthe"polka-dotsign"(我們常說的波點，擁有有一個專業(yè)的詞匯--圓Dot以圓點圖案來裝飾的。)[6:44.1]whicharethethickenedtrabeculaeseenonendonCTinvertebralbodyhemangiomas.[6:52.0]Whatappearanceisdepictedhere?[6:57.4]Thisis"popcorncalcification"-flocculent,amorphouscalcificationinsolidmasses,frequentlyindicatingcalcificationofsmoothmuscleorcartilage,forexampleinahamartoma,asinthiscase.[7:12.7]Whatsignisdemonstrated[7:17.9]Theseare"scalloped[7:19.9]Anteriorly,thinkofpressurethatcanbeproducedbyan[7:24.9]posteriorly,fromspinaltumors,neurofibromatosisorcommunicatinghydrocephalus.[7:31.0]Thispatienthadneurofibromatosis.[7:34.7]Whatsignisbeingdemonstrated[7:41.0]Thisisa"pseudo-Rigler'ssign", multipleoverlyingloopsofdilatedgas-filledbowelcreatetheimpressionofseeingbothsidesofthebowelwall.[7:53.5]Whatsignistheredarrowpointing[8:00.4]Thisisthe"puckeredpanniculussign",thepanniculushasacentralindentation,almostalwaysindicatingpreviousabdominalsurgery.[8:11.7]Whatisthisappearance[8:17.3]Thisisa"puttykidney",acalcifiedend-stagekidneyresultingfromautonephrectomyduetorenaltuberculosis.[8:26.4]Whatisthissign[8:31.9]Thisisthe"3sign"whichisadilatedproximalaorta,anindentationfromacoarctation,andpoststenoticdilatationoftheaorta,asseenincoarctationoftheaorta.[8:46.2]Whatappearanceisdepicted[8:52.3]Thisis"reverespulmonaryedema"inwhichthereisperipheralairspacediseasethatsparesthecentralportionofthelung,frequentlyseenwitheosinophiliclungdisease,asinthispatient,withLufflersyndrome.[9:06.9]Whatsignisshown[9:12.1]Thisis"Rigler'ssign",whichisvisualizationofbothsidesofthebowelwallduetointraperitonealair,inthiscase,fromarupturedduodenalulcer.[9:24.1]Whatsignisdepictedinsidethered[9:30.9]Thisisthe"rolled-edgesign",whichisthedenseperimeterofacalcifiedpleuralquewhenitisseeenface,usuallysecondarytoasbestosexposure.[9:43.0]Whatsignaretheredarrowspointing[9:48.9]Thisis"tram-tracking",whichisthetube-likeparallellinesrepresentingthickenedbronchialwalls,usuallyseenwithbronchieis.[9:59.4]Whatisthisappearance[10:04.1]Thisisa"ruggerjerseyspine"inwhichtherearescleroticsuperiorandinferiorendtesofthevertebra[10:11.1]fromsecondaryhyperparathyroidism,usuallyseeninrenaldisease,[10:15.8]andresemblingthejerseyorinrugby(?).[10:20.2]Whatisthisappearanceintheskull[10:26.0]Thisisa"saltandpepperskull"frommultiplesmallareasofresorptionoftheskullinhyperparathyroidism,whichresultsinamottledappearanceresemblingsaltandpepper.[10:41.0]Whatisthissign[10:45.9]Thisisthe"thymicsailsign"whichisthenormaltriangularappearanceofthethymusglandcausedinpartbyitsinterfacewiththeminorfissureontherightside.[10:58.0]Whatisthis[11:03.2]That'sthefamous"Scottiedog"-theappearanceofthepedicle,transverseprocess,andfacetsonanobliquelumberspineX-ray.[11:15.0]Whatisthissign[11:20.5]Thisisthe"shaggyesophagus"-anirregularlyulceratedappearanceofthelumenoftheesophagus,describedwithcandidiasis.[11:31.7]Whatisthissign[11:36.4]Thisisthe"shepherd'scrookdeformity"-acoxavaradeformitywithoutwardbowingoftheproximalfemurinfibrousdyssiaorosteogenesisimperfecta.[11:48.6]Whatisthenameofthis[11:54.4]Thisisthe"silverforkdeformity",whichisthedescriptiveappearanceofthewristwithadorsallyangulatedfractureofthedistalradius,asinCollesfracture.[12:06.3]Whatsignisdepictedhere?[12:12.3]Thisisthe"snowman[12:14.0]duetodilationoftheverticalveinandsuperiorvenacavaformingtheheadofthesnowmaninatypeIsupracardiactotalanomalouspulmonaryvenousreturn.[12:25.0]Therightatriumcomposesmajorportionofthebodyofthesnowman.[12:32.4]Whatappearanceisdepictedhere?[12:37.7]Thisisthe"snowstormappearance"ofinnumerablesmallpulmonarynodules,frequentlyassociatedwithmetastaticdiseasefromthyroidcarcinoma.[12:50.5]Whatisthenameofthis[12:55.8]Thisisthe"spinesign",whichistheparadoxicalincreaseindensitythatisseenoverthelowerthoracicspineonthelalviewcausedbysomethingabnormalinthelung,suchasponiainthiscase.[13:11.6]Whatisthissign[13:16.7]Thisisthe"spinnakersailsign",whichiselevationofthelobesofthethymusby [13:23.1]Thethymicsailsignisnormal,andit'snamedafterthespinnakersail.[13:30.9]Whatisthissigncalled?[13:35.2]Thisisthe"steeplesign"whichisseenin[13:37.9]It'sthesmoothlytaperedairshadowseenatthelevelofthelarynxonafrontalchestorneckradiographbecauseofsubglotticswelling.[13:50.3]Whatisthenameofthis[13:54.5]Thisisthe"softtissuerimsign"seenon[13:58.1]Thereisedemaofthe lwallsurroundinganimpacted l[14:03.4]Itaidsinthedifferentialdiagnosisfromaphlebolithwhichdoesnothavethesofttissuerimsign.[14:12.2]Whatisthiscalled?[14:16.8]"Thumbprinting".[14:17.7]Theindentationinacontrastorair-filledbowellumencausedbysubmucosalinfiltrationresemblingathumbprint,forexampleinischemicbowel.[14:31.9]Whatisthisarrangement[14:37.0]Thisisthe"string-of-beadssign"-multiplelinearly-arrangedsmallpocketsofairinanotherwisefluid-dilatedsmallbowelloopseeninmechanicalsmallbowelobstruction.[14:52.9]Whatsignisdepicted[14:57.7]Thisisthe"stringsign",theverythinluminalcontrastusuallyintheterminaliliumfromspasmandeventuallyfibrosismostoftenseeninCrohn('s)disease.[15:10.3]Whatappearanceisbeingdepictedinthis[15:16.6]Thisis"sunburstperiostealreaction",thehighlyaggressivespiculated(periosteal)reactionindicatingamalignancy,suchasan amostofthetime.[15:30.3]Whatisthenameofthis[15:35.3]Thisisa"cobra-headdeformity",whichisthedilateddistalureterwithsurroundinglucentrimseeninaureterocele,andnamedaftertheappearanceofacobra.[15:50.0]Whatisthisappearance[15:55.3]Thisisa"pseudotumor"whichisacollectionoffluidinafissureusuallyseenincongestiveheartfailure,mostofthetimeintheminorfissureandshapedlikealemononend.[16:08.9]Andfinally,whatisthenameofthissign?[16:14.9]Thisisthe"TerryThomassign",alsoknownasthe"DavidLetterman[16:18.9]whichiswideningofthedistancebetweenthescaphoidandthelunategreaterthan3mmonthefrontalviewfromligamentousdisruption.[16:28.9]Youcanenjoy50additionalimagingsignsin podcast53.[16:34.5]Andyoucanreceiveadescriptionofanimagingsigneveryweekday[16:38.8]bysubscribingtothe feedfromLearningRadiologyattheURLshownhere.[0:10.5]Thisis Podcast58fromLea :50MoreImagingSigns,Signs101through150. o,I'mWilliamHerringfromAlbertEinsteinMedicalCenterinPhiladelphia.[0:26.7]Inthispodcast,wearegoingtoseeexamplesofeachof50imagingsigns.[0:33.6]We'lldiscussthenameofeachsignorthedescriptiveterm.[0:38.9]TryandthinkofatleastonediseaseinwhichthefindingoccursandasalwayspauseyourcomputerMP3yerasyouponderthecases.[0:49.1]Hereisthefirst[0:52.2]What'sthenameofthis[0:55.7]Thisiscalledthe"pawnbroker'ssign"or"Garland[0:59.4]Itis lhilarandrightparatrachealadenopathy,usuallyseenin[1:05.2]Andit'scalledthe"pawnbroker'ssign"becauseitresemblesthe3ballshangingfromtheoldpawnbroker'sorpawnshops.[1:14.7]Whatisthenameofthis[1:18.9]Thisisthe"bitesign",whichisthegouged-outdefectseenduetocollapseofboneintheheadofthefemurinavascularnecrosis.[1:29.1]Whatisthedescriptivetermforthis[1:35.8]Thisisbeingreferredtoasthe"Shmoosign",whichistheappearanceoftheprominentroundedleftventricleandthedilatedaorta.[1:44.0]Andit'scalledthatbecauseit'slikentoacomicstripcharacterintheLi'lAbnercomiccalledtheShmoo,ofwhichthereisapictureshownhere.[1:54.9]Whatisthenameofthis[1:59.6]Thisisthe"bowlerhat(常禮帽)sign",thecup-shapedfillingdefectseenonaircontrastbariumenemasthatrepresentsapolypusuallyifitpointstowardthelumen,andadiverticulumifitpointsaway.[2:14.3]Whatisthenameofthis[2:18.6]Thisisthe"bowtiesign",offacetsinthecervicalspineonalalviewofthecervicalspineinaunilalrotatorysubluxation.[2:29.8]Whatisthenameofthis[2:34.0]Thisisthe"bulgingfissuresign",whichisbulgingofafissure,usuallytheminorfissure,fromaveryexudativeheavyponia,suchasthatcausedbyKlebsiella.[2:46.5]Whatisthenameofthis[2:51.2]Thisisthe"Csign",seenonalalviewofthefootintarsalcoalition,acontinuousarcofbonefromthetalustotheinferiorcortexofthesustentaculumtalus.[3:03.3]Intheinset,thereisaphotoofanormal l[3:09.4]Whatisthenameofthis[3:14.9]Thisis"Wimberger'ssign",bila lfocaldestructionofthemediaaspectsoftheproximaltibialmetaphysis,pathognomonicforcongenitalsyphilis.[3:25.0]Thereisalsoperiostealreactionofboth[3:29.4]Whatisthedescriptivetermgiventothis[3:34.4]Thisisa"MickeyMousepelvis",whichisoutwardflaringoftheiliacwingsthatsometimescanbeseeninDownsyndrome.[3:45.0]Whatisthenamegiventothis[3:49.1]Thisisthe"flatwaistsign",whichistheflattened,straightappearanceoftheleftheartborderduetorotationofheheartinleftlowerlobea [4:01.0]Whatisthedescriptivetermgivenforthis[4:05.8]Thisisa"felineesophagus",transienttransverseesophagealfoldsseenonadouble-contrast[4:13.0]Usuallynormal,butpossiblyduetogastroesophageal[4:18.5]Whatisthenamegiventothis[4:23.3]Thisisthe"boomerang(飛去來器)sign", whichusuallyindicatesinfarctionofthespleniumofthecorpuscallosum.[4:30.5]Whatisthedescriptivenamegiventothis[4:35.6]Thisis"omentalcaking",infiltrationandthickeningoftheomentum,usuallyfromanovariancarcinoma,butalsofromgastricorcoloniccarcinomasaswell.[4:47.2]Whatisthedescriptivetermgiventothis[4:51.7]Thisisthe"MickeyMousesign",whichisincreasedradiotraceruptakeonabonescan,inthepediclesandspinousprocessinavertebralbodywithPaget'sdisease.[5:02.9]Whatisthen