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https://www.readbyqxmd.com/read/28226404/the-effect-of-cortex-medulla-proportions-on-molecular-diagnoses-in-kidney-transplant-biopsies-rejection-and-injury-can-be-assessed-in-medulla
#1
Katelynn S Madill-Thomsen, Roger C Wiggins, Farsad Eskandary, Georg A Böhmig, Philip F Halloran
Histologic assessment of kidney transplant biopsies relies on cortex rather than medulla, but for microarray studies, the proportion cortex in a biopsy is typically unknown and could affect the molecular readings. The present study aimed to develop a molecular estimate of proportion cortex in biopsies and examine its effect on molecular diagnoses. Microarrays from 26 kidney transplant biopsies divided into cortex and medulla components and processed separately showed that many of the most significant differences were in glomerular genes e...
February 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28224362/analysis-of-foxp3-regulatory-t-cell-subpopulations-in-peripheral-blood-and-tissue-of-patients-with-systemic-lupus-erythematosus
#2
Angelika Schmidt, Cosima C Rieger, Ram Kumar Venigalla, Szabolcs Éliás, Regina Max, Hanns-Martin Lorenz, Hermann-Josef Gröne, Peter H Krammer, Annegret Kuhn
Regulatory T cells (Tregs) are critical mediators of immune tolerance, yet their involvement in the autoimmune disease systemic lupus erythematosus (SLE) is incompletely understood. We analyzed CD4(+) T cell subpopulations with Treg-related phenotypes and their association with disease activity in peripheral blood (PB) and tissues of patients with SLE. In detail, we quantified subpopulations regarding CD25, FOXP3, CD62L, CCR6, CD27, CD45RA, and CD45RO expression in PB from 31 patients with SLE divided into two disease activity groups and 32 healthy controls using flow cytometry...
February 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28220742/calcific-uraemic-arteriolopathy-calciphylaxis-in-patients-on-renal-replacement-therapy
#3
S Sebastian, H F Jordaan, J W Schneider, M R Moosa, M R Davids
BACKGROUND: Calcific uraemic arteriolopathy (calciphylaxis) is an unusual and potentially fatal condition characterised by small-vessel calcification and ischaemic skin necrosis. It mainly affects patients with end-stage renal disease (ESRD) on haemodialysis, but may rarely occur in the absence of ESRD in conditions such as primary hyperparathyroidism, malignancy, alcoholic liver disease and connective tissue disease. METHODS: We reviewed the records of all patients diagnosed with calciphylaxis while on renal replacement therapy at Tygerberg Hospital, Cape Town, South Africa, between 1990 and 2014, to describe its presentation, course and final outcome...
January 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28219912/anticoagulant-related-nephropathy-in-a-patient-with-iga-nephropathy
#4
Mário Góis, Ariana Azevedo, Fernanda Carvalho, Fernando Nolasco
Anticoagulant-related nephropathy is a type of acute kidney injury caused by overcoagulation. We describe a case of an 84-year-old man with arterial hypertension, coronary heart disease and atrial fibrillation treated with acenocoumarol, who presented with haematoproteinuria and acute kidney injury during a phase of excessive anticoagulation. In addition to IgA nephropathy, renal biopsy also revealed acute tubular necrosis, red blood cell casts and positive iron staining in tubular cells. After this acute episode, renal function improved and proteinuria decreased below the nephrotic range...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28219345/biomarkers-for-the-detection-of-renal-fibrosis-and-prediction-of-renal-outcomes-a-systematic-review
#5
Sherry G Mansour, Jeremy Puthumana, Steven G Coca, Mark Gentry, Chirag R Parikh
BACKGROUND: Fibrosis is the unifying pathway leading to chronic kidney disease. Identifying biomarkers of fibrosis may help predict disease progression. METHODS: We performed a systematic review to evaluate the reliability of blood and urine biomarkers in identifying fibrosis on biopsy as well as predicting renal outcomes. Using MEDLINE and EMBASE, a two-stage search strategy was implemented. Stage I identified a library of biomarkers correlating with fibrosis on biopsy...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28216937/renal-cell-carcinoma-atypical-metastasis-to-inguinal-lymph-nodes
#6
Qamar Saeed Chaudhry, Tanweer Ahmed Naveed Bhatty, Ziauddin Khan, Elsawi Medani Osman
Renal cell carcinoma (RCC) is a common tumor of the urinary tract. It is known to have variable presentations due to the extremely vascular nature of the organ. RCC are known to metastasize to lungs, bone, and brain commonly but atypical metastasis to various sites are reported in literature but as very rare pathology. We report a case of a 60-year-old female who presented with multiple inguinal and axillary lymph node enlargements which on excision biopsy showed metastatic RCC. RCC can present with synchronous metastatic deposits in the various organs...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216451/ureteric-obstruction-from-malignant-melanoma-in-both-right-double-moiety-and-left-single-moiety-ureters
#7
Brayden March, Ross John Spero Calopedos, Edward Latif, Rupert Ouyang
We report the first documented case of malignant melanoma obstructing ureters of both moieties of a duplex kidney and contralateral single moiety ureter in a 51-year-old male. The patient presented with fever, coryzal symptoms and liver function test derangement several years after two superficial spreading melanomas were excised with clear margins. Ultrasonography demonstrated hydronephroureter in both moieties of a complete right-sided duplex kidney. Retrograde pyelograms showed bilateral hydronephroureter and filling defects in all three ureters...
February 16, 2017: Urology
https://www.readbyqxmd.com/read/28214296/abnormally-high-and-heterogeneous-bone-matrix-mineralization-after-childhood-solid-organ-transplantation-a-complex-pathology-of-low-bone-turnover-and-local-defects-in-mineralization
#8
Nadja Fratzl-Zelman, Helena Valta, Renata C Pereira, Barbara M Misof, Paul Roschger, Hannu Jalanko, Kathrine Wesseling-Perry, Klaus Klaushofer, Outi Mäkitie
Chronic renal, liver and heart failure in children associates with multiple skeletal complications. Increased fracture incidence often persists after transplantation and could be related to alterations in bone material properties. In the present cohort study we evaluated bone mineralization density distribution (BMDD) by quantitative backscattered electron imaging (qBEI) in 23 pediatric solid organ allograft recipients with suspected osteoporosis. We measured BMDD in the entire cross-sectional area of transiliac bone biopsies obtained from kidney (n = 9), liver (n = 9) and heart (n = 5) transplant recipients (aged 7...
February 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28212921/towards-developing-criteria-for-scleroderma-renal-crisis-a-scoping-review
#9
REVIEW
Sabrina Hoa, Edward P Stern, Christopher P Denton, Marie Hudson
OBJECTIVE: The absence of a gold standard for scleroderma renal crisis (SRC) has hindered our understanding of this problem. The objective of this scoping review was to identify the criteria used to define SRC in order to guide the development of a consensus definition for SRC. METHODS: We conducted a search in three databases: Medline, Embase and non-Ovid Pubmed. Papers were eligible for inclusion if they were full-length articles in English whose main topic was SRC or scleroderma renal disease...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28210573/emphysematous-pyelonephritis-in-a-transplanted-kidney
#10
Cristiano Claudino Oliveira, Paula Dalsoglio Garcia, Rosa Marlene Viero
Emphysematous pyelonephritis is a rare infection characterized by necrosis and gas accumulation in the renal parenchyma, adjacent tissues, and/or urinary collecting system. This entity is rarely reported in transplanted kidneys. Computed tomography imaging is necessary for diagnosis and risk classification. The authors described the case of a 58-year-old man who underwent a kidney transplant and presented sepsis from a urinary tract infection. An abdominal tomography showed some characteristics of emphysematous pyelonephritis associated with an abscess...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28209246/the-clinical-course-of-iga-nephropathy-after-kidney-transplantation-and-its-management
#11
REVIEW
Sophia Lionaki, Konstantinos Panagiotellis, Christine Melexopoulou, John N Boletis
Immunoglobulin (Ig) A nephropathy is one of the most common primary glomerulonephritides worldwide causing end stage renal disease in up to 20-40% of affected patients, nearly two decades post diagnosis. Kidney transplantation is the treatment of choice for patients with renal failure, secondary to glomerular diseases. However, IgA nephropathy has a strong tendency to recur in the graft, and although initially thought to be a benign condition, several reports of graft loss, due to recurrent IgA nephropathy, there have been over the last three decades...
February 2, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28208865/adult-neuroblastoma-case-report-and-literature-review
#12
Vishwapriya Mahadev Godkhindi, Maheboob M Basade, Kamran Khan, Kiran Thorat
Neuroblastoma is the most common solid malignant neoplasm in the paediatric age group; accounting for 7% of all childhood malignancies, but neuroblastoma in adult, is a rare occurrence, finding mention in aeons of medical literature with an overall incidence of 1 in 10 million adults/year. We report the case of a 24-year-old male patient presenting with the complaints of progressive abdominal distention of 2 months duration. Multiple Detector Computed Tomography (MD-CT) of abdomen revealed a huge enhancing mass in the retroperitoneum abutting the left kidney, and a subsequent CT-guided biopsy and immunohistochemistry confirmed the diagnosis of ganglioneuroblastoma...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207978/glomerular-c4d-deposits-can-mark-structural-capillary-wall-remodeling-in-thrombotic-microangiopathy-and-transplant-glomerulopathy-c4d-beyond-active-antibody-mediated-injury
#13
Adil H Gasim, Jamie S Chua, Ron Wolterbeek, John Schmitz, Eric Weimer, Harsharan K Singh, Volker Nickeleit
Peritubular capillary C4d (ptc-C4d) usually marks active antibody mediated rejection, while pseudolinear glomerular capillary C4d (GBM-C4d) is of undetermined diagnostic significance, especially when seen in isolation without concurrent ptc-C4d. We correlated GBM-C4d with structural GBM abnormalities and active antibody mediated rejection in 319 renal transplant and 35 control native kidney biopsies. In kidney transplants ptc-C4d was associated with GBM-C4d in 97% by immunofluorescence microscopy (IF) and 61% by immunohistochemistry (IHC; p<0...
February 16, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28207975/stabilization-of-renal-function-after-the-first-year-of-follow-up-in-kidney-transplant-recipients-treated-for-significant-bk-polyomavirus-infection-or-bk-polyomavirus-associated-nephropathy
#14
Marie-Christine Simard-Meilleur, Paule Bodson-Clermont, Gilles St-Louis, Michel R Pâquet, Catherine Girardin, Marie-Chantal Fortin, Héloïse Cardinal, Marie-Josée Hébert, Reneé Lévesque, Edith Renoult
BACKGROUND: BK polyomavirus virus (BKPyV) screening and immunosuppression reduction effectively prevent graft loss due to BKPyV-associated nephropathy (BKPVAN) during the first year after transplantation. The aim of our study was to evaluate the impact of this infection during longer follow-up periods. METHODS: We reviewed the outcome of our screening and immunosuppression reduction protocol in 305 patients who received a kidney transplant between March 2008 and January 2013...
February 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28205354/mini-review-a-unique-case-of-crescentic-c3-glomerulonephritis
#15
Dharmenaan Palamuthusingam, Murty Mantha, Kimberley Oliver, Ketan Bavishi, Shyam Dheda
Kidney involvement is an under-recognized complication of non-Hodgkin lymphomas. They occur in a variety of mechanisms and differ widely in their clinical presentation. We take this opportunity to report a case of a 65 year-old man who developed a rapidly progressive glomerulonephritis within days after completing his first cycle of R-CHOP (Rituximab, Cyclophosphamide, Doxorubicin, Vincristine, Prednisolone) chemotherapy for newly diagnosed mantle cell lymphoma. He was odematous, hypertensive, oliguric with nephrotic range proteinuria and an active urine sediment...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28204954/biopsy-vs-peripheral-computed-tomography-to-assess-bone-disease-in-ckd-patients-on-dialysis-differences-and-similarities
#16
I D B Marques, M J C L N Araújo, F G Graciolli, L M Dos Reis, R M Pereira, M R Custódio, V Jorgetti, R M Elias, E David-Neto, R M A Moysés
: Results from bone biopsy and high-resolution peripheral quantitative computed tomography (HR-pQCT) were compared in 31 CKD patients. There was an agreement mainly for cortical compartment that may represent a perspective on the fracture risk assessment. HR-pQCT also provided some clues on the turnover status, which warrants further studies. INTRODUCTION: Chronic kidney disease (CKD) patients are at high risk of bone disease. Although bone biopsy is considered the best method to evaluate bone disease, it is expensive and not always available...
February 16, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28203563/unsuccessful-treatment-with-abatacept-in-recurrent-focal-segmental-glomerulosclerosis-after-kidney-transplantation
#17
Tilde Kristensen, Per Ivarsen, Johan Vestergaard Povlsen
Recurrence of focal segmental glomerulosclerosis (FSGS) after renal transplantation occurs in up to 20-50% of FSGS patients and is associated with inferior allograft survival. Treatment of both primary FSGS as well as recurrent FSGS after transplantation with plasma exchange and immunosuppression is often unsuccessful and remains a major challenge as the disease still leads to end-stage renal disease and decreased graft survival. Previous case reports have described patients with recurrent FSGS who were successfully treated with a B7-1 inhibitor (abatacept) inducing partial or complete remission...
January 2017: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28203420/the-diagnostic-yield-and-complications-of-open-lung-biopsies-in-kidney-transplant-patients-with-pulmonary-disease
#18
Daniere Yurie Vieira Tomotani, Antônio Tonete Bafi, Eduardo Souza Pacheco, Tainá Veras de Sandes-Freitas, Laila Almeida Viana, Edgar Porto de Oliveira Pontes, Nikkei Tamura, Hélio Tedesco-Silva, Flavia Ribeiro Machado, Flávio Geraldo Rezende Freitas
BACKGROUND: The purpose of this study was to assess the efficacy of open lung biopsy (OLB) in determining the specific diagnosis and the related complications in patients with undiagnosed diffuse pulmonary infiltrates. METHODS: This single center, retrospective study included adult kidney transplant patients who underwent OLB. The patients had diffuse pulmonary infiltrates without definitive diagnoses and failed to respond to empiric antibiotic treatment. We analyzed the number of specific diagnoses, changes in treatment and the occurrence of complications in these patients...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28201996/urinary-sediment-mirnas-reflect-tubulointerstitial-damage-and-therapeutic-response-in-iga-nephropathy
#19
Shuang Liang, Guang-Yan Cai, Zhi-Yu Duan, Shu-Wen Liu, Jie Wu, Yang Lv, Kai Hou, Zuo-Xiang Li, Xue-Guang Zhang, Xiang-Mei Chen
BACKGROUND: Immunoglobulin A nephropathy (IgAN) is the most common glomerulonephritis worldwide. The clinical spectrum of IgAN varies from minor urinary abnormalities to rapidly progressive renal failure. Evaluation of the disease by repeated renal biopsy is not practical due to its invasive procedure. Urinary sediment miRNAs promise to serve as non-invasive biomarkers to assess kidney injury of IgAN. METHODS: Fifty two biopsy-proven IgAN patients and twenty five healthy controls were enrolled in the study...
February 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28197887/the-iskdc-classification-and-a-new-semiquantitative-classification-for-predicting-outcomes-of-henoch-sch%C3%A3-nlein-purpura-nephritis
#20
Mikael Koskela, Elisa Ylinen, Elli-Maija Ukonmaanaho, Helena Autio-Harmainen, Päivi Heikkilä, Jouko Lohi, Outi Jauhola, Jaana Ronkainen, Timo Jahnukainen, Matti Nuutinen
BACKGROUND: Histological findings from primary kidney biopsies were correlated with patient outcomes in a national cohort of paediatric Henoch-Schönlein nephritis (HSN) patients. METHODS: Primary kidney biopsies from 53 HSN patients were re-evaluated using the ISKDC (International Study of Kidney Disease in Children) classification and a modified semiquantitative classification (SQC) that scores renal findings and also takes into account activity, chronicity and tubulointerstitial indices...
February 14, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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