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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...

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...

Synthesis of Crosslinked Poly(vinyl chloride): Study of Polymer Properties

Manufacture of cordierite foams by direct foaming

Open cell cordiereti fosms were prepared by a direct foaming two-component polyurethane (PUR)/ceramic system. Throught optimization of several experimental parameters such as contents of catalysts and ceramic cordiereti precursor, as well as plasticizer presence, foams with porosites 85-95&% and densities ranging from 130-410 kg/m3 were obtained. Thse foams characteristics make them attractive to be used as cat...

Importância Diagnóstica da Dismorfia Eritrocitária no Estudo da Hematúria

O Patologista Clínico é frequentemente confrontado com o pedido de pesquisa de eritrocitos dismórficos no sedimento urinário para avaliação da hematúria. A observação de eritrocitos naurina é um achado comum no dia a dia, porém a dificuldade coloca-se em saber quando é que a sua presença tem realmente valor diagnóstico. No presente artigo de revisão, são abordados os últimos conceitos sobre dismorfia eritrocit...

Treatment of paraquat poisoning. Plasmapheresis versus hemodialysis.

The diagnostic importance of erythrocyte dysmorphism in the study of hematuria.

The clinical pathologist often faces the request for the research of dysmorphism in urinary erythrocytes for evaluation of hematuria. Red cells with a different shape in the urinary sediment is usual but it is difficult to know when its presence has really diagnostic meaning. The last concepts about dysmorphic erythrocytes in urine, mainly the acanthocyte, and its importance in the differential diagnosis of hem...