Corneal vascularization

  • 文章类型: Journal Article
    背景:完全隐窝,先天性无晶状体,和角膜血管形成是胎儿时期相对罕见的先天性眼部畸形。在这里,我们报告了一个胎儿完全隐窝的病例,先天性无晶状体,和双眼的角膜血管化,并回顾以前的相关病例的产前报告。
    方法:患者是一名27岁的孕妇,gravida2,第1段,由于在外部医院诊断为胎儿右肾发育不全,在妊娠23周时被转诊到我们医院进行咨询。我院超声系统诊断为胎儿完全隐脑,先天性无晶状体,和角膜血管化,这在产后水池测试下得到了验证,解剖和病理切片。
    结论:胎儿眼部畸形通常与其他器官的畸形有关,如果超声检查结果与这种畸形有关,应注意眼部检查,以免漏诊。
    BACKGROUND: Complete cryptophthalmos, congenital aphakia, and corneal vascularization are relatively uncommon congenital eye malformations during the fetal period. Herein, we report a case of a fetus with complete cryptophthalmos, congenital aphakia, and corneal vascularization in both eyes and review previous prenatal reports of related cases.
    METHODS: The patient was a 27-year-old pregnant woman, gravida 2, para 1, who was referred to our hospital for consultation at 23 weeks of gestation due to a diagnosis of fetal right renal agenesis at an external hospital. The ultrasound system of our hospital diagnosed the fetus with complete cryptophthalmos, congenital aphakia, and corneal vascularization, which was verified under the postnatal water basin test, anatomical and pathological sections.
    CONCLUSIONS: Fetal ocular malformations are often associated with malformations of other organs, and if ultrasound findings are associated with such malformations, attention should be paid to the ocular examination to avoid missing the diagnosis.
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  • 文章类型: Case Reports
    OBJECTIVE: To evaluate the effect and safety of topical anti-human vascular endothelial growth factor bevacizumab in dogs with persistent corneal vascularization.
    METHODS: Prospective case series of 15 adult dogs (20 eyes).
    METHODS: Dogs received 0.25% bevacizumab eye drops BID for 28 days. Follow-ups were scheduled 28 days and 6-7 months after treatment start. Macroscopic findings were scored for conjunctival hyperemia, chemosis, ocular discharge, corneal edema, vascularization, and pigmentation. Vascularized area was assessed by analyzing photographs using an imaging software.
    RESULTS: The treatment response was variable. Some cases showed a marked reduction in vascularized area and edema, while other eyes had subtle signs of improvement. Vascularization score decreased from 1.5 to 1.1 and vascularized area was reduced by 48.8% after 28 days. A thinning of vessels, consolidation of areal bleedings into fine vascular networks, decrease in distal vessel branching, and a change from blurry vascularized beds into demarcated thin vessels were observed. One dog developed a SCCED 6 months after the last bevacizumab administration. Two dogs died 4 and 4.5 months after the last bevacizumab administration, aged 16 and 12 years, respectively. In all events, a causal relationship is unlikely but cannot be ruled out with certainty.
    CONCLUSIONS: Our findings suggest that topical 0.25% bevacizumab may be an effective treatment option for corneal vascularization in dogs. Further long-term placebo-controlled studies with larger patient cohorts are recommended to provide scientific evidence of efficacy and to investigate dosage, safety, possible use as a single treatment, and routes of administration.
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  • 文章类型: Case Reports
    在这份报告中,我们报道了一例7岁男孩小脑星形细胞瘤手术后暴露性角膜病变导致角膜新生血管形成的病例.局部治疗和治疗性隐形眼镜可实现角膜表面愈合,之后,局部使用类固醇治疗基质雾霾和角膜新生血管。2个月的类固醇治疗失败后,角膜新生血管形成对局部阿柏西普给药反应良好,显示完全回归。
    In this report, we report the case of a 7-year-old boy with corneal neovascularization due to exposure keratopathy following cerebellar astrocytoma surgery. Corneal surface healing was achieved with topical treatment and therapeutic contact lens, after which topical steroid was administered for stromal haze and corneal neovascularization. After 2 months of steroid therapy failed, corneal neovascularization responded well to topical aflibercept administration, showing complete regression.
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  • 文章类型: Journal Article
    We describe a case of significant regression of aggressive, deep and superficial corneal vascularization using photodynamic therapy (PDT) with verteporfin, repeated subconjunctival injections of Avastin®, plus topical cyclosporin-A 1% drops. The area of the corneal vascularization was treated with PDT with verteporfin. The subconjunctival space - next to the area of vascularization - was injected with Avastin® (1.25 mg/0.05 ml), immediately after PDT, and then for two more times during the follow-up period. The patient was kept on topical cyclosporin and prednisolone acetate. The outcome was evaluated clinically and photographically for 13 months. Corneal vascularization regressed significantly. No adverse effects were observed, neither locally or systemically. PDT with verteporfin, repeated subconjunctival injections of Avastin®, and topical cyclosporin-A drops appear to be safe and effective in treating aggressive corneal vascularization.
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