395 resultados para PIGMENTED VILLONODULAR SYNOVITIS


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Detecting melanoma early often relies on patient concern about a particular pigmented lesion. However, it is not clear what specific features the public views as being important.Our purpose was to explore the importance persons place on various features of skin lesions when looking for early signs of melanoma.This study comprised 1148 respondents (participation rate, 78%) from 60 rural communities in Queensland, Australia, who participated in a telephone interview.The following features were considered important and are listed in order of importance: change in the lesion (clearly identified as the most important), more than one color, uneven edges, elevation, large size (the last three of equal importance), and hairiness of the lesion. Age, sex, education, self-efficacy, perceived knowledge, and recent self-examination influenced importance levels, but having a recent skin examination by a family physician did not.To increase the skin self-examination skills of the community, guidelines may have to become more specific and all opportunities fully utilized to educate the public. Article in Journal of the American Academy of Dermatology 36(1):33-9 · February 1997

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Five strains (1126-1H-08(T), 51B-09, 986-08, 1084B-08 and 424-08) were isolated from diseased rainbow trout. Cells were Gram-negative rods, 0.7 µm wide and 3 µm long, non-endospore-forming, catalase and oxidase positive. Colonies were circular, yellow-pigmented, smooth and entire on TGE agar after 72 hours incubation at 25°C. They grew in a temperature range between 15°C to 30°C, but they did not grow at 37°Cor 42°C. Based on 16S rRNA gene sequence analysis, the isolates belonged to the genus Flavobacterium. Strain 1126-1H-08(T) exhibited the highest levels of similarity with Flavobacterium oncorhynchi CECT 7678(T) and Flavobacterium pectinovorum DSM 6368(T) (98.5% and 97.9% sequence similarity, respectively). DNA-DNA hybridization values were 87 to 99% among the five isolates and ranged from 21 to 48% between strain 1126-1H-08(T), selected as a representative isolate, and the type strains of Flavobacterium oncorhynchi CECT 7678(T) and other phylogenetic related Flavobacterium species. The DNA G+C content of strain 1126-1H-08(T) was 33.2 mol%. The predominant respiratory quinone was MK-6 and the major fatty acids were iso-C15∶0 and C15∶0. These data were similar to those reported for Flavobacterium species. Several physiological and biochemical tests differentiated the novel bacterial strains from related Flavobacterium species. Phylogenetic, genetic and phenotypic data indicate that these strains represent a new species of the genus Flavobacterium, for which the name Flavobacterium plurextorum sp. nov. was proposed. The type strain is 1126-1H-08(T) ( = CECT 7844(T) = CCUG 60112(T)).

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Antecedentes: La ocronosis Exógena (OE) es una enfermedad subdiagnosticada y de difícil manejo (1). El láser Q-Switched (QS) surge como una alternativa para el tratamiento de esta (2). Objetivo: Describir las características de los pacientes, del láser QS y los desenlaces en el tratamiento de OE. Métodos: Se realizó una búsqueda de la literatura en las bases PubMed, Embase, PMC, Scielo, Elselvier, BMJ Case Reports, Journal of Medical Case Reports, Cases Journal e International Medical Case Reports Journal, desde enero del 2000 a marzo del 2016, pacientes con ocronosis exógena, 18 a 70 años, tratados con láser QS. Los artículos fueron evaluados mediante la herramienta de evaluación de validez y valor educativo de reportes de caso descrito por Pierson (3). Resultados: Se encontraron 256 artículos, 63 fueron seleccionados: 28 repetidos y 31 no cumplieron criterios de inclusión. Se escogieron 4 artículos que reportan 12 casos de pacientes con ocronosis exógena diagnosticada mediante estudio histopatológico y tratada con láser QS. Discusión: Hay poca experiencia con el láser QS en OE. En la práctica clínica se usa para tatuajes y patologías pigmentarias dérmicas con resultados satisfactorios. El pigmento dérmico en OE y la corta duración de pulso de láser QS, podrían ser el pilar de tratamiento para OE. Conclusión: El láser QS puede ser útil para el tratamiento en OE, con nivel de evidencia 3 y grado de recomendación D. Se sugiere realizar estudios clínicos con mayor grado de evidencia.

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Objetivo: Describir los desenlaces funcionales, complicaciones postoperatorias, dolor y satisfacción de un grupo de pacientes con diagnóstico de inestabilidad de segunda articulación metatarsofalángica y lesión de la placa plantar, que fueron intervenidos quirúrgicamente para su reconstrucción en el Hospital Universitario de cuarto nivel Fundación Santa Fé de Bogotá, en el periodo comprendido entre Enero de 2010 hasta Diciembre de 2015. Métodos: Estudio descriptivo de corte transversal que evalúa desenlaces funcionales, dolor y satisfacción para un grupo consecutivo de pacientes con diagnóstico de inestabilidad de la segunda articulación metatarsofalángica que fueron intervenidos quirúrgicamente mediante reconstrucción de la placa plantar entre Enero de 2010 a Diciembre de 2015 en el Hospital Universitario Fundación Santa fe de Bogotá. Resultados: El procedimiento se realizó a 39 pacientes (40 MTF), encontrando mejoría en dolor, función y satisfacción. El dolor postoperatorio paso de severo a leve en el 80% de los pacientes, 67.5% de los pacientes presentaron prueba de aprehensión positiva, 85% alineamiento adecuado, el reporte de escala de AOFAS postoperatoria fue de 87, y los resultados fueron satisfactorios en un 94.5%. La principal complicación con la cirugía fue la extensión residual del dedo operado (22.5%). Conclusiones: La reconstrucción de la placa plantar en casos de inestabilidad metatarsofalángica ha demostrado tener resultados satisfactorios, en el presente estudio encontramos mejoría respecto a dolor, función y satisfacción posterior a la realización del procedimiento. Sin embargo puede presentar complicaciones como extensión residual del dedo o elevación, rigidez y recidiva.

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Age related macular degeneration (AMD) is a major concern regarding blindness in the world. In western countries, where visual alterations due to minor pathologies as cataract and uncorrected refractive errors are easily resolved, AMD represent the main cause of blindness. Of the two existing forms of the disease, while the neovascular is more aggressive and progress quickly, geographic atrophy is the one still lacking an appropriate therapy. My PhD program was focused on investigating AMD features, trying to understand if some approaches I tested could be able to provide some suggestion about potential future therapies on “dry” AMD. In my research I developed three main projects. The most important part of the work regards the study of integrins and their fundamental role in cell adhesion in a context of interaction between retinal pigmented epithelium (RPE) and immune cells. I investigated how co-culture of these different cell lines can lead to simulate an inflammatory state inducing cell signaling, cytokine production and cell death. The use of integrin antagonists developed in our laboratory, showed how these effects can be reverted. A secondary approach regards the use of antioxidants and their role in epigenetic modifications in ARPE-19 cells to investigate how these compounds might exert their well-known protective role on AMD. Commonly used antioxidants as Lutein and Quercetin do not induce clear epigenetic modifications through histone H3 acetylation indicating only a limited involvement.