Aoneandahalf-year-oldLabradorRetrieverispresentedwithchronictearingandrednessoftheeyes.Onphysicalexaminationtherighteyelidispulledventrallytodemonstratetheconjunctivaofthethirdeyelid.Youobservethatasmallamountofdirthascollectedinthelowereyelidandappearstobetrappedthere.
一岁半拉布拉多猎犬由于慢性泪溢和红眼前来就诊。体格检查将右眼眼睑向腹侧下拉以显露出第三眼睑结膜,发现下眼睑中似乎有少量的污垢被困在那里。
i.Whatisyourdiagnosis?
你的诊断是什么?
ii.Whatdoyoutelltheowner?
你会怎么和主人讲?
iii.Howcouldyouresolvethisproblem?
你会怎么解决这个问题?
i.Persistentconjunctivitisduetomedialcanthalpocketsyndrome.
内眦囊综合征引起的持续性结膜炎。
ii.MedialcanthalpocketsyndromeisfoundinlargebreeddogssuchasRottweilersandLabradorRetrievers.Duetothelargeorbitinsomebreeds,a‘pocket’formsatthenasalcanthusandcollectsdebris.Thisdebriselicitsafocalconjunctivitisofthethirdeyelid,withtherestoftheconjunctivanormal.
内眦囊综合征可见于大型犬如罗威纳和拉布拉多。由于某些犬种的眼眶较大,在内眦会形成一个“口袋”收集碎屑。这种碎屑引起第三眼睑的局灶性结膜炎,其余的结膜是正常的。
iii.Treatmentispalliative,asthisconditionisduetoananatomicproblem.Topicalsteroidsandantibioticscanreduceinflammationifsevere.
治疗是姑息疗法,因为这种情况是由于解剖引起的问题。重度炎症可通过局部类固醇和抗生素来减轻。