专题头颈部软组织肿瘤的影像表现

来源：SoftTissueTumorsoftheHeadandNeck:Imaging-basedReviewoftheWHOClassification.RadioGraphics;31:–

Abstract

TheWorldHealthOrganization(WHO)systemfordefiningandclassifyingsofttissuetumorsisusuallyappliedtolesionsthatoccurinthetrunkandextremities,butitalsoprovidesanexcellentframeworkforcharacterizingnonepithelialextraskeletaltumorsoftheheadandneck.Althoughnonepithelialextraskeletaltumorsareintheminorityamongheadandnecklesions,theyarebynomeansrare.TheWHOclassificationsystemrecognizesninemajortypesbasedonhistologicdifferentiation:adipocytic,fibroblasticormyofibroblastic,fibrohistiocytic,smoothmuscle,skeletalmuscle,vascular,pericytic,andchondroosseoustumors,aswellassofttissuetumorsofuncertaindifferentiation.Tumorsofeachhistologictypemaybefurthersubclassifiedonthebasisoftheirbiologicbehaviorasbenign,intermediate(ie,havingmalignantpotential),ormalignant.Imagingplaysanimportantroleinthenoninvasivediagnosisandcharacterizationofnonepithelialsofttissuetumorsoftheheadandneck,providingcluesabouttumorgrade,







































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