Helmintex is a sensitive method used for detecting Schistosoma mansoni eggs. Here, we describe the observed frequency of six proposed criteria associated with the identification of S. mansoni eggs prepared with the Helmintex method and stained with ninhydrin. The efficacy of these criteria in classifying...
Resumen Introduction: The diagnosis of intestinal parasitic infections depends on the parasite load, the specific gravity density of the parasite eggs, oocysts or cysts, and the density and viscosity of flotation or sedimentation medium where faeces are processed. Objective: To evaluate the concordance...
Introduction: Squares and public areas are mentioned frequently as source of infections by Toxocara sp. for people. There is no study of the presence of Toxocara sp. eggs in soils of the city of Chillán, Chile. Aims: To assess the presence of toxocara eggs in the soils of public areas of Chillán. Mater...
INTRODUCTION: Spontaneous sedimentation is an important procedure for stool examination. A modification of this technique using conical tubes was performed and evaluated. METHODS: Fifty fecal samples were processed in sedimentation glass and in polypropylene conical tubes. Another 50 samples were used fo...
Se presenta una evaluación del rendimiento del método de SAF, PAF y TM en el diagnóstico coproparasitológico, proponiéndose además una nueva modificación al método de SAF (SAFm). Esta consiste en reemplazar el frotis con tinción tricrómica permanente, por dos preparaciones para examen al fresco...
Avaliando-se, o método de KATO & MIURA (1954) nas modificaçöes que lhe foram propostas por BORDA & PELLEGRINO (1971) e por KATZ e cols. (1972), tendo como parâmetro o método de STOLL & HAUSHEER (1926), concluiu-se pela evidente superioridade deste último no diagnóstico quantitativo da ancilostomos...
