早上好!想跟大家分享下一只成年犬骨髓里利什曼原虫无鞭毛体的照片。巴塞罗那(西拔牙)是流行区域。今年冬天我们看到很多病例了。
下面这张来自另一位组员,骨髓细胞学
Leishmaniasisdiagnosedin9-year-oldcat
一只9岁猫诊断为利什曼原虫病
年2月15日
ByJudithAkins,DVM,MS
Afineneedleaspirateofamassontheleftearpinnaeofa9-year-old,spayed,femaledomesticshorthairedcatwassubmittedtotheTexasAMVeterinaryMedicalDiagnosticLaboratory(TVMDL)cytologyservice.Historystatedthelesionbeganasasmallscababoutamonthbeforethesamplecollection,buthadgrownrapidlytoitspresentsizeof1.5cm.Thecatwasnotreportedtohaveanyotherclinicalsigns.一只9岁已绝育雌性家养短毛猫左耳廓肿块细针抽吸样本送检到德克萨斯AM兽医诊断实验室(TVMDL)进行细胞学检查。病史上说病变在采样前1个月从一个小结痂开始,但是慢慢长到现在1.5cm这么大。据说该猫无其他任何临床症状。
Theexaminedslideswerecellularwithlargenumbersofmacrophages.Themacrophageswereactivelyphagocytizinglargenumbersofprotozoalamastigotes.Theamastigotesweresmall(1.5to5microns)andround.Thecenterscontainedadarkstainingnucleuswithacharacteristicrodshapedkinetoplast.ThediagnosiswasgranulomatousinflammationwithprotozoaconsistentwithLeishmaniaspp.检查的玻片上含有大量细胞,其中有大量的巨噬细胞。巨噬细胞正在活跃吞噬大量的无鞭毛体原生动物。无鞭毛体小(1.5-5微米)而圆。中央含有一个深染的核伴有特征性的杆状动基体。诊断是符合利什曼原虫属的原生动物引起的肉芽肿性炎症。
LeishmaniasisisaninfectiousdiseasecausedbyaprotozoaofthegenusLeishmania.Thisprotozoonistypicallyfoundintemperateandtropicalclimates.Reservoirsfortheprotozoadifferdependinguponthelocationintheworld(NewWorldvs.OldWorld).ForNewWorldleishmaniasis,theendemicregionincludesSouthandCentralAmerica,Mexico,andpocketsoftheUnitedStates.Thediseaseistransmittedbysandflyvectorsfromaninfectedtoanuninfectedhost.TherehavebeenreportsintheUnitedStatesofinfectionsindogs,cats,andhumanswiththefollowingspecies:L.mexicana
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