（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
A48-year-oldmanpresentswithhistoryofchronicsorethroatandrecentaspiration.48岁男性，有慢性咽喉痛病史，近期有误吸症状。
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D
(A–C)Amoderatelyenhancinglargesofttissuemass(arrow)isseeninvolvingtheepiglottisandleftaryepiglotticfold.Themassisincloseproximitytoleftthyroidcartilageandlikelyinfiltratesit.(D)Thetruevocalcordsappeartobefreeofthemass
(A-C)可见累及会厌和左杓会厌皱襞中度强化大的软组织肿块(箭头)。肿块靠近左侧甲状软骨，很可能已浸润。(D)真声带没有肿块
DifferentialDiagnosis
?Supraglotticsquamouscellcarcinomaofepiglottis:Moderatelyenhancingsofttissuemassinvolvingepiglottisandleftaryepiglotticfold,likelyinfiltratingtheleftthyroidcartilage,isseeninamanwithhistoryofsmoking.
?Laryngocele:Acysticmassinparaglotticspaceorextralaryngealspaceisseencausingsofttissuedistortionandvariableobstruction.
?Adenoidcysticcarcinomaoflarynx:Araresubmucosalmassofsupraglotticlarynx;itcanbeindistinguishableonimagingfromsupraglotticsquamousofcarcinoma.
鉴别诊断
?会厌声门上鳞状细胞癌：男性，有吸烟史，累及会厌和左杓会厌皱襞中度强化软组织肿块，左侧甲状软骨可能浸润。
?喉膨出：在声门旁间隙或喉外间隙可见囊性肿块，导致软组织扭曲和不同程度的梗阻。
?喉腺样囊性癌：声门上喉部少见的粘膜下肿块，影像学上与声门上鳞癌难以区分。
EssentialFacts
?Itisaprimarysquamouscellcarcinomaoriginatingfromthemucosalfoldsabovethetruevocalcordsincludingepiglottis,aryepiglotticfolds,preepiglotticandparaglotticspaces,andfalsevocalcords.
?Themost
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