CatScratchFeverMedicallyreviewedbyDanielMurrell,M.D.—WrittenbytheHealthlineEditorialTeam—UpdatedonFebruary1,2019CausesRiskfactorsSymptomsincatsSymptomsinhumansPicturesDiagnosisComplicationsTreatmentPreventionWhentocallyourdoctorOutlookWhatiscatscratchfever?Catscratchfever,alsocalledcatscratchdisease(CSD),isabacterialinfection.ThediseasegetsitsnamebecausepeoplecontractitfromcatsinfectedwithBartonellahenselaebacteria.TheCentersforDiseaseControlandPrevention(CDC)estimatesthat12,000peoplewillbediagnosedwithcatscratchfever,and500peoplewillbehospitalizedeachyearintheUnitedStates.CasessurgebothinJanuary—possiblyduetoincreasedadoptionsofkittens—andintheperiodbetweenAugustandNovember.Whatcausescatscratchfever?Youcangetcatscratchfeverfromabiteorscratchfromaninfectedcat.Youcanalsogetthediseaseifsalivafromaninfectedcatgetsintoanopenwoundortouchesthewhitesofyoureyes.Occasionally,youmaygetthediseasefromafleaoratickcarryingthebacterium.Youcan’tgetcatscratchdiseasefromanotherhuman.Whoisatriskforcatscratchfever?Anyonewhoownsorinteractswithacatisatriskofcontractingcatscratchfever.TheCDCreportsthatcatscratchfeverismostprevalentinthesouthernpartoftheUnitedStatesandmostcommonamongchildrenbetweentheagesof5and9yearsold.Peoplewhowerehospitalizedweremorelikelythanoutpatientstobemale,thoughthemajorityofpeoplewhoarediagnosedarefemale.Youhaveanincreasedriskofbecomingseriouslyillfromcatscratchfeverifyouhaveaweakenedimmunesystem.Peoplewhomightfallintothiscategoryincludethosewhoarepregnantorwhoarelivingwith:cancerdiabetesHIVorAIDStransplantedorgansWhatarethesymptomsofcatscratchfeverincats?CatscancarryB.henselae,buttheydon’tgenerallygetsickfromthebacteria.Forthisreason,youcan’talwaystellifthey’recarriers.Catslikelycontractthebacteriafrominfectedfleas.Inveryrareinstances,humanscancontractthebacteriadirectlyfromfleas.AccordingtotheCDC,around40percentofcatscarrythebacteriaatsometimeintheirlives,mostcommonlyaskittens.Treatmentforcatsisn’tusuallyrecommended.Whatarethesymptomsofcatscratchfeverinhumans?C

SkiptomaincontentHomeCatDiseasesAZSelectYourAnimalTopTools&GuidesCatScratchFeverinCatsBartonellosisinCatsBartonellosisisaninfectiousbacterialdisease,causedbythegram-negativebacteriaBartonellahenselae.Itisalsocommonlyknownascatscratchdisease(CSD),or"catscratchfever."Thisisazoonoticdisease,meaningthatitcanbetransmittedbetweenanimalsandhumans.Incats,thediseaseisgenerallytransmittedthroughcontactwithfleafeces.Thebacteriumisexcretedthroughthefleaandintoitsfeces,whichitleavesonthecat'sskin.Thecat,throughgroomingitself,ingeststhebacteria,therebybecominginfectedwiththeBartonellastrain.Humansdonotacquirethisinfectionfromfleareservoirs.Itisimportanttonotethatthisbacterialinfectioncanalsobetransmittedtohumansandcatsbyticks.Althoughcatsgenerallydonotsufferfromtheinfection,beyondpossiblefever,swollenglands,andsomemuscleaches,catscratchfevercanbepassedtoahumanhostwhentheinfectedcatscratchesorbitesahuman.Salivacanalsobeaconduitfortransmission,suchaswhenaninfectedcatlicksaskinabrasionoropenwoundonahuman.WhileinfectionoftheBartonellabacteriumisusuallymildinhumans,theCentersforDiseaseControlandPreventionestimatesthat12,000peoplearediagnosedwithcatscratchdiseaseintheUnitedStateseachyear,andabout500arehospitalized.Manyoftheinfectedarechildren,aschildrenaremostlikelytoplaywithkittens—which,inturn,arethemostlikelytoscratchandbiteaspartofplay.Symptomsmaybecomeapparentwithin7-14daysaftertheinjury,butmaytakeaslongaseightweekstopresent.Typicalsymptomsareswellingofthelymphnodesnearesttothebittenorscratchedsite,fever,headache,andageneralmalaise.Generally,thesymptomsmeritnomorethanabriefrestperioduntiltheyresolveontheirown,usuallywithoutmedicaltreatment.Somepatientsrequireacourseofantibiotics.Fortunately,catscratchfeverisnotfatalforhumans,butitstillposesgreatriskstoimmunocompromisedpatients,suchasthosewiththeAIDSvirus,orthoseundergoingchemicaltreatment.Whilemanycatownersdonotneedtoconcernthemselveswithwhethertheircatsarecarriersofthisbacterium,thosewhomustguardtheirhealthareadvisedtohavetheirca

Cat scratch disease is a bacterial infection that a person can get after being scratched, licked, or bitten by a cat or kitten. In the United States, most cases happen ...

Cat-scratch disease encephalitis. Section. Paediatric radiology. Case Type. Clinical Cases. Authors. Prat-Matifoll J.A, Barber Martinez de la ...HomeAdvancedSearchTeachingCasesQuizzesFAQsContactUsHistorySubmitaCaseAboutUsHomeAdvancedSearchCase13381CASE13381Publishedon29.04.20160Cat-scratchdiseaseencephalitisSectionPaediatricradiologyCaseTypeClinicalCasesAuthorsPrat-MatifollJ.A,BarberMartinezdelaTorreI,DelgadoI,ÁngelSánchez-MontañezGarcía-Carpintero,ElidaVázquezVallHebronHospital,InstitutCatalàdelaSalut,Radiology;PasseigVallHebrón116-11908035Barcelona,Spain;Email:joanalbertpratrx@gmail.comConnectedauthorsJoan-AlbertPratMatifollSpainPatient8years,maleCategoriesAreaofInterestHeadandneck,Liver,Abdomen,Spleen;ImagingTechniqueMR-Diffusion/Perfusion,Ultrasound,CT,Ultrasound-ColourDopplerProcedureImagingsequences,Education,Localisation;SpecialFocusAcute,Abscess,Infection;ShowmoreShowlessDownloadasPDFPrintShowrelatedcasesNotifyadminClinicalHistoryAn8-year-oldboypresentedtotheERwithatonic-clonicconvulsivestatuswhichstartedwhileplayingvideogames.Previousrelevantmedicalhistoryincludedachronicsuppurativeotitisandaclinicallysuspectedmuscularfibrillarruptureintherightinguinalarea.ImagingFindingsAnunenhancedbrainCTwasobtainedandconsiderednormal(Fig.1)Aftercarefulphysicalevaluation,anerythematouslumpintherightinguinalareawasfoundwhichwasnotconsistentwithafibrillarrupture.Sonographyrevealedahypoechoicroundedlesionwithvascularhilumcloselyrelatedtoasubcutaneouscollection(withfluiddrainagetotheskin),compatiblewithsuppurativeinflammatorylymphadenopathy(Fig.2).Additionally,abdominalUSrevealedmultiplehypoechoicandroundedsmalllesions(<1cm)affectingliverandspleen(Fig.3,4,7).Duetopersistentencephalopathicbehaviour,abrainandliverMRIwasperformed.BrainMRIshowedsignalabnormalityonDWIinmultiplecorticalareaswithoutrestricteddiffusionontheADC.Thiswouldbeinkeepingwithfocalareasofcerebraloedema.(Fig.5).LiverMRIconfirmedthepresenceofmultipleT2-hyperintenselesionsshowingrestricteddiffusion,compatiblewit

Cat scratch disease is caused by the introduction of the bacterium Bartonella henselae by a scratch or bite. Cat scratch disease occurs most commonly in children ...October15,2018-Volume41-Issue21NextAbstractFullTextAccessforSubscribers:IndividualSubscribersLoginforaccessInstitutionalMembersAccessonOvid®NotaSubscriber?BuySubscribeRequestPermissionsYoucanreadthefulltextofthisarticleifyou:SelectanoptionLogInBuyArticleSubscribeContent&PermissionsOvidMemberInstitutionalAccessLogInOvidMemberInstitutionalAccessArticleasEPUBExportAllImagestoPowerPointFileAddtoMyFavoritesColleague'sE-mailisInvalidYourName:(optional)YourEmail:Colleague'sEmail:Separatemultiplee-mailswitha(;).Message:Thoughtyoumightappreciatethisitem(s)IsawatContemporaryDiagnosticRadiology.SendacopytoyouremailYourmessagehasbeensuccessfullysenttoyourcolleague.Someerrorhasoccurredwhileprocessingyourrequest.Pleasetryaftersometime.EndNoteProciteReferenceManagerSavemyselectionARTICLEAmin,SagarB.MD;Sharma,PriyaG.MD;Rajderkar,DhanashreeA.MDAuthorInformationDr.AminisaFellow,DepartmentofRadiology,UniversityofMaryland,Baltimore,Maryland;Dr.SharmaisAssistantProfessor,DepartmentofRadiology,UniversityofFloridaCollegeofMedicine,Gainesville,Florida,andDr.RajderkarisAssistantProfessorandChief,DivisionofPediatricRadiology,DepartmentofRadiology,UniversityofFloridaCollegeofMedicine,POBox100374,Gainesville,FL32610;E-mail:[email protected].Afterparticipatinginthiseducationalactivity,theradiologistshouldbebetterabletodifferentiatethetypicalandatypicalpresentationsofcatscratchdisease,distinguishmimickers,andproposetreatmentpossibilities.Theauthors,faculty,andstaffinapositiontocontrolthecontentofthisCMEactivityandtheirspouses/lifepartners(ifany)havedisclosedthattheyhavenorelationshipswith,orfinancialinterestsin,anycommercialorganizationspertainingtothiseducationalactivity.LippincottContinuingMedicalEducationInstitute,Inc.,isaccreditedbytheAccreditationCouncilforContinuingMedicalEducationtoprovidecontinuingmedicaleducationforphysician

PURPOSE: To describe the epidemiologic, clinical, and imaging features of cat-​scratch disease (CSD) to facilitate prompt recognition and ...

The patient tested positive for Bartonella henselae, the causative bacterium of cat​-scratch disease (bartonellosis). Antibiotic therapy resulted in ...×ArticlesLogInCasesSignUpCoursesQuizBlogDonateAbout×MenuSearchADVERTISEMENT:Radiopaediaisfreethankstooursupportersandadvertisers.BecomeaGoldSupporterandseenoads.ArticlesCasesCoursesLogInLoginSignup{"url":"/signup-modal-props.json?lang=us\u0026email="}ArticlesCasesCoursesQuizAboutBlogGoad-freeSearchCat-scratchdiseaseCasecontributedbyDrBalintBotz◉Diagnosiscertain  Diagnosiscertain PresentationPalpable,rapidlyappearingpainfulmassintheregionoftheleftelbow.Subfebrileuponpresentation.Catowner.PatientDataAge:60yearsGender:MaleFromthecase:Cat-scratchdiseaseX-rayLoadingimages...LoadingStack-0imagesremainingFrontalSoft-tissueswellingwithcircumscribednodularlesions(seerewindowedimage)intheareacorrespondingtothelocationoftheepitrochlearlymphnodes. Nobonyabnormality. Fromthecase:Cat-scratchdiseaseUltrasoundLoadingStack-0imagesremainingObliqueAnenlargedsuperficiallymphnodewiththickenedcortexisvisiblecorrespondingtothepalpablemass.Thelymphnodeshowsmarkedhypervascularity.Asimilarbutsmalleradditionallymphnodeisvisibleinitsproximity.Altogetherfindingsaresuggestiveofreactivelymphnodeenlargementmostlikelyduetoinfection. Fromthecase:Cat-scratchdiseaseMRILoadingimages...LoadingStack-0imagesremainingAxialT2Bothlymphnodesshowvividenhancement,andadjacentsofttissuestranding.Nobonyabnormality. CaseDiscussionThepatienttestedpositiveforBartonellahenselae,thecausativebacteriumofcat-scratchdisease(bartonellosis).Antibiotictherapyresultedinrapidrecovery. 1articlefeaturesimagesfromthiscaseCat-scratchdisease3publicplaylistsincludesthiscaseMedical_Imaging_2021MSKCODRarecaseRelatedRadiopaediaarticlesCat-scratchdiseasePromotedarticles(advertising)PlayAddtoShareViewrevisionhistoryReportproblemwithCaseContactuserCaseFullscreencaseCasewithhiddendiagnosisFullscreencasewithhiddendiagnosis+addtonewplaylistCaseinformationrID:77817Published:22ndMay2020Lastedite

Cat-scratch disease, a manifestation of bartonellosis, is a zoonotic bacterial infection caused by the Bartonella henselae microorganism. It is typically elicited by ...×ArticlesLogInCasesSignUpCoursesQuizBlogDonateAbout×MenuSearchADVERTISEMENT:Radiopaediaisfreethankstooursupportersandadvertisers.BecomeaGoldSupporterandseenoads.ArticlesCasesCoursesLogInLoginSignup{"url":"/signup-modal-props.json?lang=us\u0026email="}ArticlesCasesCoursesQuizAboutBlogGoad-freeSearchCat-scratchdiseaseDrBalintBotz◉etal.Cat-scratchdisease,amanifestationofbartonellosis, isazoonoticbacterialinfectioncausedbytheBartonellahenselaemicroorganism.Itistypicallyelicitedbyascratchofacat. Onthispage:Article:ClinicalpresentationPathologyRadiographicfeaturesTreatmentandprognosisReferencesImages:CasesandfiguresClinicalpresentationThediseasehasavaryingclinicalpicturerangingbetweenlocalizedlymphadenitisandsystemicinfection.Duetotheslowcourse,non-specificsymptoms,andinsidiousonset,radiologyoftenplaysanimportantroleinsuggestingthediagnosis.Theinjuryleadingtoinfectionistypicallyaverysuperficialscratch,whichoftenhealsbeforethepatientpresentswiththedisease1,2.Initialsystemicsymptomsareusuallymildandnon-specific(malaise,sorethroat,aches,weightloss,headache,nausea,vomiting)3. Majorformsofbartonellosis:themostcommonform(90%)ofcat-scratchdiseaseisapainfulregionallymphadenopathywhichfirstoccursadjacenttotheentrypointoftheinfectionthelymphnodesoftheupperextremity,axilla,headandneckareaffectedmostcommonly,whichreflectsthatmostcatscratchesoccuronthehand1-3 disseminatedinfectionoccursin5-10%ofcases,manifestingasmultiplegranulomas(particularlyintheliverandspleen);bonelesionsmayalsodevelopinboththeaxialskeletonandextremities in2-4%ofpatientsneurologiccomplicationsalsooccur,rangingbetweenencephalitis,transversemyelitis,polyneuritis,andneuroretinitis1,2 inpatientswithacquiredimmunodeficiencysyndrome(AIDS), BartonellahenselaecancausebacillaryangiomatosisPathologyBartonellahenselae isfacultativeintracellular,Gram-negativeb

Imaging. Manifestations. The hallmark of cat-scratch disease is painful lymphadenop- athy proximal to the site of inoculation. Nodes typically range in size from.AnErrorOccurredSettingYourUserCookieThissiteusescookiestoimproveperformance.Ifyourbrowserdoesnotacceptcookies,youcannotviewthissite.SettingYourBrowsertoAcceptCookiesTherearemanyreasonswhyacookiecouldnotbesetcorrectly.Belowarethemostcommonreasons:Youhavecookiesdisabledinyourbrowser.Youneedtoresetyourbrowsertoacceptcookiesortoaskyouifyouwanttoacceptcookies.Yourbrowserasksyouwhetheryouwanttoacceptcookiesandyoudeclined.Toacceptcookiesfromthissite,usetheBackbuttonandacceptthecookie.Yourbrowserdoesnotsupportcookies.Tryadifferentbrowserifyoususpectthis.Thedateonyourcomputerisinthepast.Ifyourcomputer'sclockshowsadatebefore1Jan1970,thebrowserwillautomaticallyforgetthecookie.Tofixthis,setthecorrecttimeanddateonyourcomputer.Youhaveinstalledanapplicationthatmonitorsorblockscookiesfrombeingset.Youmustdisabletheapplicationwhilelogginginorcheckwithyoursystemadministrator.WhyDoesthisSiteRequireCookies?Thissiteusescookiestoimproveperformancebyrememberingthatyouareloggedinwhenyougofrompagetopage.Toprovideaccesswithoutcookieswouldrequirethesitetocreateanewsessionforeverypageyouvisit,whichslowsthesystemdowntoanunacceptablelevel.WhatGetsStoredinaCookie?ThissitestoresnothingotherthananautomaticallygeneratedsessionIDinthecookie;nootherinformationiscaptured.Ingeneral,onlytheinformationthatyouprovide,orthechoicesyoumakewhilevisitingawebsite,canbestoredinacookie.Forexample,thesitecannotdetermineyouremailnameunlessyouchoosetotypeit.Allowingawebsitetocreateacookiedoesnotgivethatoranyothersiteaccesstotherestofyourcomputer,andonlythesitethatcreatedthecookiecanreadit.

Cat-scratch disease (CSD) is an infrequent infection caused by Bartonella henselae, a Gram-negative, facultative intracellular bacillus acquired ...NCBISkiptomaincontentSkiptonavigationResourcesHowToAboutNCBIAccesskeysMyNCBISignintoNCBISignOutJournalListOncolLettPMC5766074OncolLett.2018Jan;15(1):195–204.Publishedonline2017Oct31.doi: 10.3892/ol.2017.7311PMCID:PMC5766074PMID:29399138Lymphadenitisassociatedwithcat-scratchdiseasesimulatinganeoplasm:ImagingfindingswithhistopathologicalassociationsYingChen,1,*Yan-BiaoFu,2,*Xiu-FangXu,3YaoPan,1Chen-YingLu,1Xiu-LiangZhu,1Qing-HaiLi,1andRi-ShengYu1YingChen1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyYingChenYan-BiaoFu2DepartmentofPathology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyYan-BiaoFuXiu-FangXu3DepartmentofRadiology,HangzhouMedicalCollege,Hangzhou,Zhejiang310053,P.R.ChinaFindarticlesbyXiu-FangXuYaoPan1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyYaoPanChen-YingLu1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyChen-YingLuXiu-LiangZhu1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyXiu-LiangZhuQing-HaiLi1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyQing-HaiLiRi-ShengYu1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.ChinaFindarticlesbyRi-ShengYuAuthorinformationArticlenotesCopyrightandLicenseinformationDisclaimer1DepartmentofRadiology,SecondAffiliatedHospital,ZhejiangUniversitySchoolofMedicine,Hangzhou,Zhejiang310009,P.R.China2DepartmentofPathology,SecondAffiliatedHospital,ZhejiangUniver