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首页> 外文期刊>Journal of Medical Cases >Proliferative Glomerulonephritis With Monoclonal IgG Deposits in a Young Patient: A Case Report
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Proliferative Glomerulonephritis With Monoclonal IgG Deposits in a Young Patient: A Case Report

机译:一名年轻患者中具有单克隆IgG沉积物的增生性肾小球肾炎:一例报告

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Proliferative glomerulonephritis with monoclonal IgG deposits (PGNMID) is a newly described entity that belongs to the class of disorders known as monoclonal gammopathy of renal significance (MGRS). The renal deposit in PGNMID is composed of monoclonal immunoglobulin (Ig). Microscopic findings typically show a non-fibrillar or non-microtubular pattern of Ig deposit without any organized structure. This entity affects adults and most patients present with nephrotic-range proteinuria and hematuria with or without renal failure. We report a unique case of PGNMID occurring in a young patient following a viral infection. The patient had significant proteinuria. There were no monoclonal proteins found in the serum. The renal biopsy was consistent with proliferative glomerulonephritis (GN) with monoclonal immune deposits. PGNMID is a novel form of GN that mimics immune-complex type GN on light and electron microscopy; thus, renal biopsy with careful attention to light-chain and IgG isotype staining is essential for diagnosis.J Med Cases. 2016;7(5):191-194doi: http://dx.doi.org/10.14740/jmc2444w
机译:具有单克隆IgG沉积物(PGNMID)的增生性肾小球肾炎是一种新近描述的实体,属于一种被称为肾脏意义的单克隆丙种球蛋白病(MGRS)的疾病。 PGNMID中的肾脏沉积物由单克隆免疫球蛋白(Ig)组成。显微镜下的发现通常显示Ig沉积的非原纤维或非微管模式,没有任何有组织的结构。该实体影响成年人和大多数存在肾病范围蛋白尿和血尿并伴有或不伴有肾衰竭的患者。我们报告了在病毒感染后的年轻患者中发生PGNMID的独特案例。该患者有明显的蛋白尿。在血清中没有发现单克隆蛋白。肾脏活检与具有单克隆免疫沉积物的增生性肾小球肾炎(GN)一致。 PGNMID是一种新型的GN,在光和电子显微镜下可模拟免疫复合型GN。因此,肾活检要特别注意轻链和IgG同种型染色的诊断。JMed病例。 2016; 7(5):191-194doi:http://dx.doi.org/10.14740/jmc2444w

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