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Membranoproliferative

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https://www.readbyqxmd.com/read/28798244/atypical-haemolytic-uremic-syndrome-ahus-and-membranoproliferative-glomerulonephritis-mpgn-different-diseases-or-a-spectrum-of-complement-mediated-glomerular-diseases
#1
Ghada A Ankawi, William F Clark
Historically, patients with kidney diseases caused by genetic or acquired dysregulation of the complement alternative pathway have been grouped into clinical syndromes, C3 glomerulopathy (C3GN/DDD) and thrombotic microangiopathy (TMA), specifically atypical haemolytic uremic syndrome (aHUS). Recent data suggested that these diseases share a common pathophysiology and that patients can transition between glomerulopathies in this spectrum. Histopathologically, the main difference cited is the immunofluorescence (IF) findings, with C3 predominance in C3 glomerulopathy (compared with immunoglobulins and complements in immune complex-mediated membranoproliferative glomerulonephritis (MPGN)) and negative IF in TMA...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28763127/european-veterinary-renal-pathology-service-a-survey-over-a-7-year-period-2008-2015
#2
L Aresu, V Martini, S L Benali, C Brovida, R E Cianciolo, R Dalla Riva, D Trez, J J Van Der Lugt, A Van Dongen, E Zini
BACKGROUND: The European Veterinary Renal Pathology Service (EVRPS) is the first Web-based registry for canine renal biopsy specimens in Europe. HYPOTHESIS/OBJECTIVES: The aim was to verify whether differences exist between the clinical and laboratory presentation of dogs with nephropathy according to renal pathological findings, as defined by light and electron microscopy of renal biopsy specimens submitted to EVRPS. ANIMALS: Renal biopsy specimens of dogs were collected from the archive of the service (n = 254)...
August 1, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28761237/membranoproliferative-glomerulonephritis-associated-with-a-human-immunodeficiency-virus-infection
#3
H Rafik, M El Amrani, D El Kabbaj
Type 1 membranoproliferative glomerulonephritis (MPGN) is an uncommon manifestation of human immunodeficiency virus (HIV)-associated renal disease in patients coinfected with hepatitis C virus. We report a case of MPGN characterized by nephrotic syndrome associated with HIV without hepatitis C coinfection. The patient had a favorable response to highly active antiretroviral therapy and angiotensin-converting enzyme inhibitors. Recognition of the MPGN lesion in HIV infection devoid of hepatitis C coinfection must be considered...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28761228/kidney-disease-in-human-immunodeficiency-virus-seropositive-patients-absence-of-human-immunodeficiency-virus-associated-nephropathy-was-a-characteristic-feature
#4
J Prakash, V Ganiger, S Prakash, M Sivasankar, S Sunder, U Singh
Human immunodeficiency virus (HIV) infection can cause a broad spectrum of renal diseases. However, there is paucity of Indian data on the patterns of renal lesions in HIV-seropositive patients. The aim of the present study was to delineate the spectrum of renal lesions in HIV/acquired immunodeficiency syndrome patients. In this prospective study, all HIV-positive patients of both genders aged >18 years were screened for renal disease. Patients with proteinuria of more than 1 g/24 h were subjected to renal biopsy...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28748900/dense-deposit-disease-in-a-child-with-febrile-sore-throat
#5
Giovanni Conti, Dominique De Vivo, Agata Vitale, Carmelo Fede, Domenico Santoro
Dense deposit disease or membranoproliferative glomerulonephritis type II is a rare glomerulopathy characterized on renal biopsy by deposition of abnormal electron-dense material in the glomerular basement membrane. The pathophysiologic basis is uncontrolled systemic activation of the alternate pathway of the complement cascade. C3 nephritic factor, an autoantibody directed against the C3 convertase of the alternate pathway, plays a key role. In some patients, complement gene mutations have been identified...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28748893/complication-rate-and-diagnostic-yield-of-percutaneous-native-kidney-biopsies-a-10-year-experience-at-a-tertiary-care-hospital-in-pakistan
#6
Sonia Yaqub, Nayla Ahmed, Urooj Fatima, Ayesha Maqbool, Waqar Ashif, Syed A Hussain
The use of an automated biopsy device, and real-time ultrasound for percutaneous kidney biopsies (PKBs) has improved the likelihood of obtaining adequate tissue for diagnosis and also has reduced the complications associated with the procedure. We aimed to determine the frequency and type of complications associated with PKB and to determine the diagnostic yield. It was a retrospective file-based review of cases who underwent PKB of native kidney between January 2003 and December 2013 at the Aga Khan University Hospital in Karachi, Pakistan...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28745692/-changes-in-the-complement-system-in-membranoproliferative-glomerulonephritis
#7
V A Yurova, L A Bobrova, N L Kozlovskaya, Yu V Korotchaeva, A G Serova, L V Kozlov, S S Andina, K A Demyanova, A M Kuchieva, S V Roshchupkina
AIM: To compare the clinical manifestations membranoproliferative glomerulonephritis (MPGN) in its idiopathic variant, lupus nephritis (LN), and C3 glomerulopathy (C3-GP), by comparing them with changes in the complement system. SUBJECTS AND METHODS: The clinic of nephrology followed up 42 patients with different types of MPGN in 2013 to 2015. The study included 35 patients divided into 3 groups: 1) 8 patients with C3-GP, 2) 13 with idiopathic MPGN; 3) 14 with Class IV LN...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28729648/a-haplotype-in-cfh-family-genes-confers-high-risk-of-rare-glomerular-nephropathies
#8
Yin Ding, Weiwei Zhao, Tao Zhang, Hao Qiang, Jianping Lu, Xin Su, Shuzhen Wen, Feng Xu, Mingchao Zhang, Haitao Zhang, Caihong Zeng, Zhihong Liu, Huimei Chen
Despite distinct renal lesions, a series of rare glomerular nephropathies are reportedly mediated by complement overactivation. Genetic variations in complement genes contribute to disease risk, but the relationship of genotype to phenotype has not been straightforward. Here, we screened 11 complement genes from 91 patients with atypical hemolytic uremic syndrome (aHUS), C3 glomerulopathy (C3G) and membranoproliferative glomerulonephritis type I (MPGN I), and identified the concomitant presence of three missense variations located within the human complement Factor H (CFH) gene cluster...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716013/long-term-renal-survival-of-%C3%AE-3-heavy-chain-deposition-disease-a-case-report
#9
Takayuki Katsuno, Shige Mizuno, Masatsuna Mabuchi, Naotake Tsuboi, Atsushi Komatsuda, Shoichi Maruyama
BACKGROUND: Monoclonal immunoglobulin deposition disease (MIDD) is characterized by the non-amyloid deposition of monoclonal immunoglobulin fragments in the basement membranes. Heavy chain deposition disease (HCDD) is a type of MIDD. HCDD is an extremely rare disease, and only three cases have been reported in Japan up to the present. The prognosis of HCDD is very poor, and optimal treatment has not been established. Only a few cases of HCDD with favorable long-term renal prognosis have been reported to date...
July 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28689588/renal-manifestations-of-hepatitis-c-virus
#10
REVIEW
Clodoveo Ferri, Dilia Giuggioli, Michele Colaci
Hepatitis C virus (HCV) is a hepatotropic and lymphotropic virus responsible for hepatic and extrahepatic autoimmune and neoplastic disorders, including renal involvement, which is the consequence of immune-mediated organ damage due to glomerular deposition of immune-complex and/or anti-HCV IgG antibodies and complement. It can appear at any time during the natural history of HCV infection, more often as membranoproliferative glomerulonephritis, alone or in association with other HCV-related disorders. The presence of renal involvement should be investigated in HCV-infected individuals at the first referral and during clinical follow-up...
August 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28685938/acquired-gitelman-syndrome-in-a-primary-sj%C3%A3-gren-syndrome-patient-with-a-slc12a3-heterozygous-mutation-a-case-report-and-literature-review
#11
Xiangchen Gu, Zheling Su, Min Chen, Yanqiu Xu, Yi Wang
Acquired Gitelman's syndrome (GS) associated with Sjögren syndrome (SS) is rare. A 50-year-old woman was admitted to our department because of nausea, acratia and sicca complex. Laboratory tests after admission showed renal failure, hypokalaemia, metabolic alkalosis, hypomagnesaemia and hypocalciuria, all of which met the diagnostic criteria for GS. Diagnostic evaluation identified primary SS as the cause of the acquired GS. Light microscopy of the renal tissue from the patient showed severe membranoproliferative glomerunephritis and tubulointerstitial nephritis...
August 2017: Nephrology
https://www.readbyqxmd.com/read/28667506/a-rare-presentation-of-nephrotic-syndrome
#12
Debabrata Mukherjee, Sourabh Sharma, Debashish Mahapatra, Ranjith K Nair, Bhaskar Datt, Dhawal Arora
Nephrotic syndrome usually presents with oedema due to fluid accumulation in subcutaneous space. Renal subcapsular fluid accumulation is a rare presentation. We present a rare case of membranoproliferative glomerulonephritis which presented with bilateral subcapsular fluid collection and was successfully managed by percutaneous drainage and treating the underline pathology.
June 30, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28663230/tissue-specific-microrna-expression-patterns-in-four-types-of-kidney-disease
#13
Maria Angeles Baker, Seth J Davis, Pengyuan Liu, Xiaoqing Pan, Anna Marie Williams, Kenneth A Iczkowski, Sean T Gallagher, Kaylee Bishop, Kevin R Regner, Yong Liu, Mingyu Liang
MicroRNAs contribute to the development of kidney disease. Previous analyses of microRNA expression in human kidneys, however, were limited by tissue heterogeneity or the inclusion of only one pathologic type. In this study, we used laser-capture microdissection to obtain glomeruli and proximal tubules from 98 human needle kidney biopsy specimens for microRNA expression analysis using deep sequencing. We analyzed specimens from patients with diabetic nephropathy (DN), FSGS, IgA nephropathy (IgAN), membranoproliferative GN (MPGN) (n=19-23 for each disease), and a control group (n=14)...
June 29, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28658768/clinicopathological-analysis-of-glomerular-disease-of-adult-onset-nephrotic-syndrome-in-an-indian-cohort-a-retrospective-study
#14
Mayur Suryawanshi, Swapnil Karnik, Sanjeet Roy
INTRODUCTION: Primary glomerular disease presenting with adult onset nephrotic syndrome are a major cause of chronic renal failure worldwide. The spectrum of renal disease presenting with nephrotic syndrome has undergone a gradual change globally over the course of time. However, there still exist regional differences in the incidence of primary glomerular diseases causing adult onset nephrotic syndrome. AIM: To observe the spectrum of renal diseases presenting with adult onset nephrotic syndrome with comparative analysis of changing trends over the last five decades with regards to Western and Indian literature...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658762/role-of-immunofluorescence-in-adult-onset-nephrotic-syndrome-a-study-in-a-tertiary-care-centre-of-western-india
#15
Sharada Rane, Prerana Mutyal, Nicholas Dcunha, Mayur Parkhi, Meenal Jadhav
INTRODUCTION: Study of renal Immunofluorescence (IF) is an ancillary but essential technique in evaluation of renal biopsies in glomerulopathies and also it enlightens on the pathogenesis of nephrotic syndrome. AIM: To determine the role of IF in evaluating definite subtyping and diagnosis of adult onset nephrotic syndrome and attempting clinicopathological correlation. MATERIALS AND METHODS: A total of 52 patients of adult onset nephrotic syndrome were evaluated clinically and with pertinent investigations; and subjected to USG guided percutaneous renal biopsy which was processed and stained for light microscopy and for immunofluorescence by direct method (DIF) using antibodies against IgG, IgM, IgA and C3...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28627094/spectrum-of-hepatitis-b-and-renal-involvement
#16
REVIEW
Apurva S Shah, Deepak N Amarapurkar
Renal involvement in hepatitis B occurs in various spectrums and its knowledge is important for clinicians in management of patients. The renal diseases most commonly associated with hepatitis B virus (HBV) infection include membranous nephropathy, membranoproliferative glomerulonephritis and Polyarteritis nodosa. The widespread use of hepatitis B vaccination has decreased the incidence of HBV-related renal diseases. The incidence of HBV infection in dialysis patients has significantly decreased over the past few decades because of screening of blood products for hepatitis B surface antigen (HBsAg) and hepatitis B core antibody, implementation of infection control measures and hepatitis B vaccination...
June 19, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28626447/autoimmune-thyroiditis-and-glomerulopathies
#17
REVIEW
Domenico Santoro, Carmela Vadalà, Rossella Siligato, Michele Buemi, Salvatore Benvenga
Autoimmune thyroiditis (AIT) is generally associated with hypothyroidism. It affects ~2% of the female population and 0.2% of the male population. The evidence of thyroid function- and thyroid autoantibody-unrelated microproteinuria in almost half of patients with AIT and sometimes heavy proteinuria as in the nephrotic syndrome point to a link of AIT with renal disease. The most common renal diseases observed in AIT are membranous nephropathy, membranoproliferative glomerulonephritis, minimal change disease, IgA nephropathy, focal segmental glomerulosclerosis, antineutrophil cytoplasmic autoantibody (ANCA) vasculitis, and amyloidosis...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28612667/all-that-glitters-yellow-is-not-gold-presentation-and-pathophysiology-of-bile-cast-nephropathy
#18
Mitchell Pitlick, Prerna Rastogi
BACKGROUND: Acute kidney injury (AKI) often manifests in patients with liver disease because of a prerenal cause and presents as acute tubular necrosis or hepatorenal syndrome. Distinguishing between these entities is important for prognosis and treatment. Some patients may develop AKI related to their underlying liver disease: for example, membranoproliferative glomerulonephritis or IgA nephropathy. Bile cast nephropathy is an often ignored differential diagnosis of AKI in the setting of obstructive jaundice...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28601198/recurrent-glomerulonephritis-after-kidney-transplantation-risk-factors-and-allograft-outcomes
#19
Penelope J Allen, Steve J Chadban, Jonathan C Craig, Wai H Lim, Richard D M Allen, Philip A Clayton, Armando Teixeira-Pinto, Germaine Wong
Recurrent glomerulonephritis after kidney transplantation is a feared complication because it is unpredictable and may have a negative impact on graft outcomes. To better understand this we collected data from the Australia and New Zealand Dialysis and Transplant (ANZDATA) Registry accumulated over 30 years. The incidence, risk factors, and outcomes of recurrent glomerulonephritis in transplant recipients were determined using adjusted Cox proportional hazard and competing risk modeling. A total of 6,597 recipients with biopsy-proven glomerulonephritis as the primary cause of end-stage kidney disease were followed for 51,871 person-years (median duration 7...
June 7, 2017: Kidney International
https://www.readbyqxmd.com/read/28593446/c3-glomerulonephritis-with-a-severe-crescentic-phenotype
#20
Aishwarya Ravindran, Fernando C Fervenza, Richard J H Smith, Sanjeev Sethi
BACKGROUND: C3 glomerulopathy (C3G) is rare type of glomerulonephritis resulting from the glomerular deposition of C3 due to dysregulation of the alternative pathway of complement. It is further subdivided into C3 glomerulonephritis (C3GN) and dense deposit disease (DDD), depending on the ultrastructural features. C3GN usually presents with a membranoproliferative pattern of injury. Crescents may or may not be present. However, we have noted a severe necrotizing and crescentic glomerulonephritis in a small subset of C3GN patients...
June 7, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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