表皮样囊肿破裂的超声图像特征分析

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Analysis of ultrasound imaging features of ruptured epidermoid cysts

ZHANG Shuangshuang1，CHEN Huyan2，CHEN Shuying³，DING Hong1，LI Xia1，ZHAO Tianyu1，QIAO Xiaohui1 1.Departmentof Ultrasound Medicin，2.Departmentof Dermatology，3.DepartmentofLaboratory，Huashan Hospital， FudanUniversity，Shanghai 2OoO4O，China

ABSTRACTObjectiveTo analyze and summarize theultrasound imaging features of ruptured epidermoid cysts. MethodsTheultrasoundimagingdataof86rupturedepidermoidcystsand215urupturedepidermoidcystsconfirmedbysurgical pathologywereretrospectivelyanalyzed，ndthediferencesofultrasound imagingfeatures werecompared.ResultsTherewere significantdifrencsinlsonlocatioaiiameer，apeoudarisogeicityomogeityapsuleei presenceoflowchoicebris，urroundngsoftissuechogencityloodflowsignalintensityanddistrbutionpatebewen ruptured and unruptured epidermoid cysts（all P <0.05）.Unruptured epidermoid cysts were commonly found in the trunk，with a maximumdiameter<18mm，typicalovalinsape，well-defiedboundaries，ntactcapsules，eterogeneousintealos withoutow-choicdebris，noehancedsurroundingsoft tssueechogenicityandnobloodflowsgnalsobservedinterallyand peripherally.Incontrast，rupturedepidermoidcysts weremorefrequentlylocatedintheheadandneckwithamaximumdiameter> 18mm，lobulatedmorphology，illdefinedboundariesincompletecapsules，homogeneousinteralhosccompanedbylow echoicdebris，andabundantbloodflowsignalsobserved internallyandperipherally，withenhancedsuroundingsofttisue echogenicity.ConclusionRuptured epidermoidcysts exhibit distinctultrasound imaging features.Ultrasoundcan ffectively differentiate ruptured from unruptured epidermoid cysts，with promising clinical value.

KEYWORDSUltrasonography;Epidermoid cysts，ruptured; Imaging features

表皮样囊肿又称表皮囊肿、漏斗部囊肿、表皮包涵囊肿等，是一种常见的皮肤良性肿块1]，全身均可发病，常见于头面部、躯干、四肢等部位，少数可发生于男女外生殖器等部位。（剩余5740字）