Optic nerve atrophy

视神经萎缩
  • 文章类型: Case Reports
    Wolfram综合征(WFS)是一种罕见的常染色体隐性遗传神经退行性疾病,以糖尿病为特征,尿崩症,视神经变性,听力障碍,和其他异常。此外,一部分人经历神经学,内分泌,行为,和尿路疾病使管理更具挑战性。这里,我们介绍了一名22岁男性,他在4岁时被诊断患有1型糖尿病,并接受了基础推注胰岛素治疗.他在13岁时视力模糊和听力丧失,我们的评估显示视神经萎缩和感觉神经性听力损失。尽管血糖水平相当受控,但他仍有多饮和多尿(每天摄入/输出5-6L)。血清抗利尿激素(ADH),这证实了中央性尿崩症的诊断。他的超声图和尿流量研究显示,双侧输尿管肾积水伴有反流性尿路病。我们诊断他患有神经源性膀胱疾病伴逼尿肌括约肌协同失调。该患者患有早发性泌尿系统疾病,并累及眼睛和耳朵,患有糖尿病和尿崩症,满足WFS的标准。基因测试证实了诊断。他目前正在接受胰岛素和去氨加压素的治疗。
    Wolfram syndrome (WFS) is an uncommon autosomal recessive neurodegenerative disorder characterized by diabetes mellitus, diabetes insipidus, optic nerve degeneration, hearing impairment, and other abnormalities. Additionally, a portion of individuals experience neurological, endocrine, behavioral, and urinary tract disorders that make management more challenging. Here, we present a 22-year-old male who was diagnosed with type 1 diabetes at the age of 4 and received treatment with basal-bolus insulin therapy. He had blurring of vision and hearing loss at 13 years of age, and our evaluation revealed optic atrophy and sensorineural hearing loss. He had polydipsia and polyuria (intake/output of 5-6 L/day) despite a fairly controlled blood glucose level. Serum anti-diuretic hormone (ADH) was done, which confirmed the diagnosis of central diabetes insipidus. His sonogram and urinary flow studies revealed bilateral hydroureteronephrosis with reflux uropathy. We diagnosed him with neurogenic bladder disorder with detrusor sphincter dyssynergia. This patient had an early onset urological disorder with involvement of eyes and ears, with diabetes mellitus and diabetes insipidus, which satisfied the criteria of WFS. The genetic test confirmed the diagnosis. He is currently being managed with insulin and desmopressin.
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  • 文章类型: Case Reports
    各种形式的癌症和化学疗法与视神经病变有关。顺铂是铂类似物化疗剂,通常与许多其他严重不良反应中的眼部毒性有关。卡铂是化学上更稳定的铂类似物,其通常具有更好的耐受性,具有相对有利的副作用特征。关于卡铂诱发视神经病变的报道很少。此病例报告描述了卡铂引起的致盲性视神经病变的罕见发生。我们对接受卡铂治疗神经内分泌膀胱癌的患者进行了治疗,该患者在三天的时间内发展为快速进行性的双侧视神经病变。在我们的诊所进行评估后,他的视力已经下降到只有光感知和20/60在他的左眼和右眼,分别。立即进行卡铂治疗,并开始使用类固醇。尽管有干预,在一年的随访中,患者的视力缺陷没有改善。尽管卡铂引起眼部毒性的机制仍是推测性的,考虑到视力下降的不可逆性质,动脉缺血似乎是可能的机制。正如我们病人的课程所证明的那样,尽管进行了大剂量类固醇干预,但仍有不可逆的视力丧失需要迅速识别和处理这种罕见的不良反应。。
    Various forms of cancer and chemotherapeutics are associated with optic neuropathy. Cisplatin is a platinum analogue chemotherapeutic commonly associated with ocular toxicity among many other serious adverse effects. Carboplatin is a more chemically stable platinum analogue that is generally better tolerated with a comparatively favorable side effect profile. There are very few reports of carboplatin precipitating optic neuropathy. This case report describes a rare occurrence of carboplatin-induced blinding optic neuropathy. We treated a patient receiving carboplatin for neuroendocrine bladder cancer who developed rapidly progressive bilateral optic neuropathy over the course of three days. Upon evaluation at our clinic, his visual acuity had declined to light perception only and 20/60 in his left and right eye, respectively. Carboplatin therapy was immediately held and steroids were initiated. Despite the intervention, the patient\'s visual deficits have not improved at the one-year follow-up. Although the mechanism by which carboplatin causes ocular toxicity remains speculative, arterial ischemia appears to be the likely mechanism given the irreversible nature of visual decline. As demonstrated by our patient\'s course, irreversible vision loss despite high-dose steroid intervention necessitates expeditious recognition and management of this rare adverse effect. ​​​​​.
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    文章类型: Case Reports
    我们介绍了一例非动脉炎性前部缺血性视神经病变(NA-AION),其病因不确定,但恢复良好,并完全获得了中枢视力。
    We present a case of Non-Arteritic Anterior Ischemic Optic Neuropathy (NA-AION) with uncertain etiology but a good recovery with a total gain of central visual acuity.
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