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Computed tomography...
Computed tomography characteristics of equine paranasal sinus cysts—a case series
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- Ostrowska, Justyna (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Universitetsdjursjukhuset
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- Toth, Tamas (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Universitetsdjursjukhuset
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- Lindström, Lisa (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health
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visa fler...
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- Hansson, Kerstin (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för kliniska vetenskaper (KV),Department of Clinical Sciences
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- Uhlhorn, Margareta (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Universitetsdjursjukhuset
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- Ley, Charles (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för kliniska vetenskaper (KV),Department of Clinical Sciences
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visa färre...
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(creator_code:org_t)
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- 2016
- 2016
- Engelska.
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Ingår i: Veterinary Radiology and Ultrasound. - 1058-8183 .- 1740-8261. ; 57, s. 654-654
- Relaterad länk:
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https://res.slu.se/i...
Abstract
Ämnesord
Stäng
- COMPUTEDTOMOGRAPHYCHARACTERISTICSOFEQUINEPARANASALSINUSCYSTS-ACASESERIESJ.Ostrowska,T.T´oth,L.Lindstr¨om,K.Hansson,M.Uhlhorn,C.J.Ley.FromtheUniversityAnimalHospital(Ostrowska,T´oth,Uhlhorn),DepartmentofClinicalSciences(Hansson,Ley),andDepartmentofBiomedicalSciencesandVeterinaryPublicHealth,SwedishUni-versityofAgriculturalSciences,UppsalaSE-75007,Sweden(Lindstr¨om).Introduction/Purpose:Differentiatingparanasalsinuscysts(PSC)fromotherparanasalsinusdiseasesinhorsesbasedondiagnosticimagingischallenging.TheaimofthisstudywastoidentifythepatternofCTfeatures,typicalforPSC,byretrospectivecomparisontootherdiseasesoftheequineparanasalsinuses. Methods:NineCTscansofeighthorses(diseasereoccurredafter1yearinonehorse)withtypicalsurgicalappearanceofPSC(sevenconfimedwithhistopathology)wereretrospectivelyre-viewed(group-1).Imagingfndingswerecomparedtoagroupof11horseswithparanasalsinusdiseaseofotherorigin(twoneoplasia,sevenchronicsinusits/granuloma,twopro-gressiveethmoidhematoma),withallhorsesinthisgrouphavingsurgery/necropsyandculture/histopathologyconfimationofthediagnosis(group-2).Thirteenofthehorsesre-ceivedcontrast;IVIohexol300mgI/ml,20ml/s,400ml/horse,scannedapproximately2and7minpostcontrast.MeanHounsfielUnits(HU)valuesofthesofttissue/fluidensitylesionswereobtainedforthreeregionsofinterestinthreedifferentslices.Studentt-testforindependentsamples,P<0.05consideredsignificantwasusedtocomparemeandensityofthecysticcontentwithfreesinusfluiingroup-1andsofttissue/fluidensitylesionsingroup-2.Results:Insixhorsesthepresumedwallofthecystwasatleastpartiallymineralized.Subtlepost-contrastenhancementofthecysticwallwasseenintwohorsesinwhichthemineralizedwallwasabsent.Presenceoffocalorspicule-like,peripheralmineralizationswereseenintwogroup-1horsesandinonegroup-2horsewithaparanasalsinusgranuloma.Allcystswerefillewithsofttissue/fluidensity(mean±SD,25±11HU),exceptonethatcontainedonlyair.Nosignificandifferencewasfoundbetweenthemeandensityofthecysticcontentandthesofttissue/fluidensitylesionsingroup-2(mean±SD,25±11vs.42±23HU,P=0.06),orbetweenthefreesinusfluisurroundingthecysts(mean±SD,25±11HUvs.34±17HU,P=0.2).Corticaldestructionwasdetectedinfourgroup-1andtwogroup-2horses.Sevenhorsesineachgrouphadcancellousbonethinning/destruction,whichalwaysinvolvedatleasttheinfraorbitalcanal.Bonedistortionwasmostfrequent/severeingroup-1horsesandboneproductionwasmostcommoningroup-2horseswithsinusitis.Discussion/Conclusions:ParanasalsinuscystsoftenhavemineralizationinthecystwallandthisfeaturemaybeusefultodifferentiatePSCfromotherparanasalsinusesdiseasesinCTimages.DespitethebenigncharacterofPSCcorticaldestructioniscommoninhorseswithPSC.ThereisconsiderableoverlapbetweenHUvaluesofthecontentsofPSCandthefluid/tissupresentinotherparanasalsinusdiseases.
Ämnesord
- LANTBRUKSVETENSKAPER -- Veterinärmedicin -- Klinisk vetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science -- Clinical Science (hsv//eng)
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- kon (ämneskategori)
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