（原文GaurangShah）建议多朗读英文并口译，小编翻译供参考，愿为您的放射之路锦上添花
A62-year-oldmanpresentswithsinuscongestion,toothache,facialpain,andtrismus.62岁男性，临床表现为鼻窦充血、牙痛、面部疼痛和痉挛。
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(A)Moderatelyenhancingaggressivesofttissuemassatrightmaxillarysinuswithdestructionofmedialandposteriorwallofrightmaxillaextendsintomasticatorspace(arrow),involvingthepterygopalatinefossae(arrow),pterygoidmuscles(arrow),andnasopharyngeallumen(arrow).(B–D)LowT1andintermediateT2signalmassexhibitspatchypostcontrastenhancement.Localinfiltrationofrighttemporalismuscleismoreapparent.(E)Invasionofthehardpalate(arrow),floorofmaxillarysinus(arrow)withextensionintobuccalspace(arrow),andintothesofttissueofthecheek(arrow)isseen
(A)右上颌窦侵袭性中度强化软组织肿块，右上颌骨内侧和后壁骨质破坏，延伸至咀嚼肌间隙(箭头)，累及翼腭窝(箭头)、翼状肌(箭头)和鼻咽腔(箭头)。(B-D)低T1和中等T2信号团块增强后呈斑片状强化。右侧颞肌局部明显浸润。(E)侵犯硬腭(箭头)、上颌窦底(箭头)并延伸至颊间隙(箭头)和面颊软组织(箭头)。
DifferentialDiagnosis
?Sinonasalsquamouscellcarcinoma:Large,irregular,moderatelyenhancingrightmaxillarymasswithintermediateT2signalextendingintorightnasalcavityandethmoidalsinuswithextensivebonydestructionandextensionintomasticatorspace,buccalspace,andsofttissueofthecheek.
?Fungalsinusitis:LowT2signallocallyaggressivedestructivemassisgenerallyseeninimmuno
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