谢谢各位的建议、意见及指正
A40-year-oldmanpresentswithfacialswelling.
40岁，男，面部肿胀。
(A–C)Axialandcoronalcontrast-enhancedCTimagesoftheorbits.Thereisdiffuseenlargementoftherightlacrimalgland(arrow)withoutadjacentstranding.Theremainderoftheorbithasanormalappearance.
(A-C)眼眶轴位和冠状位增强CT图像。右侧泪腺弥漫性增大(箭头)，周围未见渗出。右眼眶其余部分正常。
DifferentialDiagnosis
?Lacrimalglandlymphoma:Inapatientwithdiffuseasymmetricalenlargementofthegland,thisrankshighlyonthelistofdifferentialdiagnoses.
?Sj?grenorotherlymphoidlesions:Thiswouldbeagoodsecondchoicefromthelist,asitalsocanpresentwithdiffuseenlargement.
?Salivaryglandtumor:Lesslikely,assuchcasestendtopresentwithafocalmasswithintheaffectedgland.
鉴别诊断
?泪腺淋巴瘤：腺体弥漫性不对称性增大，鉴别诊断名列前茅。
?干燥综合征或其他淋巴样病变：这是第二个可能的诊断，因为也可表现为腺体的弥漫性肿大。
?唾液腺肿瘤：可能性较小，因为此类病例往往是病变腺体内出现局灶性肿块。
EssentialFacts
?Lacrimalglandlesionsaretypicallydividedintoinflammatory(sarcoid,infection,etc.)andneoplasticprocesses(lymphoidtumorsandsalivaryglandlesions),asthesearethetissuesthatmakeupthegland.
?Inflammatoryandlymphoidlesionstendtoaffecttheglanddiffusely,whereassalivaryglandtumorstendtobemorefocal.
?Patientswithlacrimalglandlymphomamaybeasymptomaticor