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Amiloidose. Caracterização Epidemiológica, Clínica e Morfológica

Introdução: A amiloidose é uma doença sistémica, cujo diagnóstico cabe frequentemente ao nefrologista. O tipo de amiloidose varia de acordo com o grau de desenvolvimento do país, com maior prevalência de amiloidose AL nos países ricos. Material e métodos: Revisão retrospectiva de todas as biopsias de rim nativo avaliadas no serviço entre 1981 e 2008. Caracterização clínica dos doentes à data da biópsia. Avaliaç...

Sirolimus-Induced Drug Fever in a Renal Transplant Patient: a Case Report

Herein we have described the case of a male renal transplant recipient who developed drug fever apparently related to sirolimus. He had been stable under an immunosuppressive regimen of tacrolimus and mycophenolate mofetil, but developed acute cellular rejection at 5 years after transplantation due to noncompliance. Renal biopsy showed marked interstitial fibrosis, and immunosuppression was switched from mycoph...

Chronic Allograft Dysfunction - Is There a Treatment?

BACKGROUND: The major causes of renal transplant loss are death and chronic allograft dysfunction (CAD). The aims of this study were to determine the incidence of CAD in our population and the relation between allograft survival and immunosuppressive regimens. METHODS: We studied retrospectively 473 patients who received deceased donor kidney transplants with at least 1 allograft biopsy between January 1990 an...

Specificity and Sensitivity of Screening for Anti-HLA Antibodies in Kidney Allo...

BACKGROUND: Prospective testing for posttransplant circulating anti-HLA antibodies seems to be a critical noninvasive tool, but confirmatory data are lacking. MATERIALS AND METHODS: Over the last 3 years, peritubular capillary (PTC) C4d deposition was prospectively sought by an immunofluorescence technique applied to frozen tissue in biopsies obtained for allograft dysfunction. Screening for circulating anti-H...

Collapsing Glomerulopathy. A Biopsy Review

HIV and Kidney

De Novo Hypertension and Decline of Renal Function in a Young Woman with System...

Antiphospholipid syndrome nephropathy and lupus nephritis have similar clinical and laboratory manifestations and achieving the accuracy of diagnosis required for correct treatment frequently necessitates a kidney biopsy. We report the case of a 29-year-old woman referred to the nephrology service for de novo hypertension, decline of renal function and proteinuria. She had had systemic lupus erythematosus and a...

Diabetes Mellitus and Renal Disease: When to Perform a Renal Biopsy?

Background: Several studies suggest that nondiabetic renal disease (NDRD) is common in patients with diabetes mellitus. The aim of this analysis of renal biopsies in diabetic patients was (a) to assess the prevalence and type of NDRD and (b) to identify its clinical and laboratory predictors. Methods: This retrospective study analysed clinical and laboratory data and biopsy findings in diabetic patients observe...

Leukopenia in Kidney Transplant Patients with the Association of Valganciclovir...

Cytomegalovirus (CMV) is the most common viral infection after transplantation. Valganciclovir (VGC) is established for prophylaxis and treatment of CMV infections, but leukopenia which appears in 10% to 13% (severe in 4.9%) is the principal side effect. We have recently noted an increased incidence of leukopenia and severe neutropenia among our renal transplant patients and thought to identify the associated f...

Lesão Crónica do Enxerto. Interferência Terapêutica