کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6164535 | 1249474 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Membranous-like glomerulopathy with masked IgG kappa deposits
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کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
بیماریهای کلیوی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Membranous-like glomerulopathy with masked IgG kappa deposits Membranous-like glomerulopathy with masked IgG kappa deposits](/preview/png/6164535.png)
چکیده انگلیسی
The diagnostic classification of glomerulonephritis is determined by the interplay of changes seen using light, immunofluorescence, and electron microscopy of the renal biopsy. Routine direct immunofluorescence on fresh tissue is currently considered the gold standard for the detection and characterization of immune deposits. We recently found a peculiar form of glomerular immune complex deposition in which masked deposits required an antigen-retrieval step to be visualized. Over a 2-year period, 14 cases were characterized by numerous, large subepithelial deposits visualized by electron microscopy and C3-predominant staining by routine immunofluorescence on fresh tissue with weak to negative immunoglobulin staining. Repeat immunofluorescence after digestion of the formalin-fixed paraffin-embedded tissue with pronase elicited strong IgG-κ staining restricted within the deposits. The patients were often young with a mean age of 26 years and commonly had clinical evidence of vague autoimmune phenomenon. The clinicopathologic findings in this unusual form of glomerulopathy do not fit neatly into any currently existing diagnostic category. We have termed this unique form of glomerulopathy membranous-like glomerulopathy with masked IgG-κ deposits.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Kidney International - Volume 86, Issue 1, July 2014, Pages 154-161
Journal: Kidney International - Volume 86, Issue 1, July 2014, Pages 154-161
نویسندگان
Christopher P. Larsen, Josephine M. Ambuzs, Stephen M. Bonsib, Christie L. Boils, L. Nicholas Cossey, Nidia C. Messias, Fred G. Silva, Yihan H. Wang, Neriman Gokden, Patrick D. Walker,