head and neck: cystic hygroma (cystic or nuchal lymphangioma) ... These malformations were formerly called lymphangiomas.×ArticlesLogInCasesSignUpCoursesQuizDonateAbout×MenuSearchADVERTISEMENT:Radiopaediaisfreethankstooursupportersandadvertisers.BecomeaGoldSupporterandseenoads.ArticlesCasesCoursesLogInLoginSignup{"url":"/signup-modal-props.json?lang=us\u0026email="}ArticlesCasesCoursesQuizAboutRecentEditsGoad-freeSearchLymphaticmalformationsLastrevisedbyDrYurangaWeerakkody◉on21Sep2021EditarticleViewrevisionhistoryReportproblemwithArticleCitation,DOIandarticledataCitation:D'Souza,D.,Weerakkody,Y.Lymphaticmalformations.Referencearticle,Radiopaedia.org.(accessedon07Oct2021)https://radiopaedia.org/articles/1611DOI:-Permalink:https://radiopaedia.org/articles/1611rID:1611Articlecreated:02May2008byAssociateProfessorDonnaD'Souza◉Revisions:61timesby24users-seefullrevisionhistorySystems:Vascular,PaediatricsSections:-Tag:rg_38_4_editSynonyms:LymphaticmalformationsLymphaticmalformationLymphangiomasLymphangioma-generalLymphangiomas-generalURLofArticleLymphaticmalformationsarebenignlesionsofvascularoriginthatshowlymphaticdifferentiation.Specifically,theyarevascularmalformationsandnotvasculartumorsasperthe2018ISSVAclassificationofvascularanomalies 5. Thisarticlefocusesonthegeneralfeaturesoflymphaticmalformations.Foraspecificdiscussioninotherlocations,pleasereferto:headandneck: cystichygroma(cysticornuchallymphangioma)hepaticlymphangiomaspleniclymphangiomapancreaticlymphangiomarenallymphangiomaretroperitoneallymphaticmalformationOnthispage:Article:TerminologyEpidemiologyClinicalpresentationPathologyRadiographicfeaturesTreatmentandprognosis DifferentialdiagnosisSeealsoReferencesImages:CasesandfiguresImagingdifferentialdiagnosisTerminologyThesemalformationswereformerlycalledlymphangiomas.Thisexpressionisout-of-dateaccordingtothe2018ISSVAclassification5.EpidemiologyTheycanpresentatanyagebutmostoftenoccurinthepediatricpopulation(~90%inthoselessthan2yearsold3).Theworldwideincidenceoflym