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Encephalitozoon cuniculi causes focal anterior cataract and uveitis in dogs

机译:犬脑炎导致狗局灶性白内障和葡萄膜炎

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摘要

Three mongrel dogs, aged 10 months (case 1), 14 months (case 2) and 7.5 years (case 3), were presented because of ophthalmologic disorders of 4 months, 6 months and 7 years duration, respectively. All three dogs were offspring of stray dogs from Hungary and Serbia and had positive serum antibody titres against Encephalitozoon (E.) cuniculi. The two young dogs showed unilateral, the older dog bilateral chronic anterior uveitis with posterior synechia and focal anterior cortical cataract. The fundi that could be evaluated developed focal tapetal hyporeflective lesions in the course of the disease. Dogs 1 and 2 underwent removal of the lens via phacoemulsification. PCR of the lens material was positive for E. cuniculi strains IV and II, respectively. In dog 2 findings suggestive of microsporidia were detected underneath the anterior lens capsule by immunohistochemical staining. In all cases medical treatment consisted of systemic fenbendazole, prednisolone, and topical anti-inflammatory drugs, and additional brinzolamid/timolol for dog 3. For the time being all cases (follow up 23 months, 6 months and 3 months, respectively) are still on topical anti-inflammatory therapy. It is concluded that E. cuniculi infections can cause cataract and chorioretinal lesions in dogs.
机译:出现了三只杂种狗,分别由于持续4个月,6个月和7年的眼科疾病而分别年龄分别为10个月(病例1),14个月(病例2)和7.5岁(病例3)。这三只狗都是匈牙利和塞尔维亚流浪狗的后代,并且对钩端螺旋体的血清抗体滴度呈阳性。两只幼犬表现为单侧,老年犬双侧慢性前葡萄膜炎伴有后粘连和局灶性前皮质性白内障。可以评估的眼底在疾病过程中发展为局部绒毛反射不足。狗1和2通过超声乳化术摘除晶状体。晶状体材料的PCR分别对弯刀大肠杆菌IV和II呈阳性。在狗2中,通过免疫组织化学染色在前晶状体囊下方发现暗示有小孢子虫的发现。在所有情况下,药物治疗均由全身性芬苯达唑,泼尼松龙和局部抗炎药以及对狗3的其他苯并咪唑/替莫洛尔组成。目前,所有情况(分别随访23个月,6个月和3个月)局部抗炎治疗。结论是,尾肠埃希菌感染可引起狗白内障和脉络膜视网膜损害。

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