Aplicación de los criterios AMOS para la clasificación histopatológica de una serie de casos de tumor filodes

dc.contributor.advisorAcosta Forero, Bernarda Jinneth
dc.contributor.authorVallejo Bolaños, Madelyn Guadalupe
dc.contributor.researchgroupAnatomopatología y Patología Molecularspa
dc.date.accessioned2023-08-04T18:57:25Z
dc.date.available2023-08-04T18:57:25Z
dc.date.issued2023-08-03
dc.descriptionilustraciones, diagramasspa
dc.description.abstractIntroducción: El tumor filodes (TF) pertenece al grupo de las neoplasias fibroepiteliales de la mama, junto con el fibroadenoma (FA), representa entre el 0,3% y el 1% de todos los tumores primarios de la mama. La clasificación de la OMS en benignos, limítrofes y malignos, presenta desafíos inherentes a la reproducibilidad. Se han creado herramientas como el nomograma de Singapur, utilizando los criterios AMOS (atipia estromal, tasa mitótica, sobrecrecimiento estromal y margen quirúrgico) para establecer una clasificación más objetiva, que permita establecer un pronóstico individualizado, con excelente concordancia en la validación en varios países. Objetivos: Describir la distribución por edad, correlacionar los hallazgos macroscópicos e histopatológicos en las categorías de la OMS. Evaluar los criterios AMOS y establecer el puntaje que se correlaciona con cada categoría histopatológica de la OMS. Métodos: Estudio descriptivo, retrospectivo, tomando los casos de TF de la base de datos del proyecto “EXPLORANDO LA PATOLOGÍA MAMARIA A TRAVÉS DE UNA BASE DE DATOS DE UN LABORATORIO DE PATOLOGÍA - Experiencia de 11 años 2008-2019”. Se incluyeron 53 casos, de los cuales se recopilaron los datos de los reportes de patología, y fueron analizados utilizando estadística descriptiva. Además, se estableció el valor de los criterios AMOS en cada caso. Resultados: La edad media de presentación fue de 43.3 años (15-68), el tamaño medio fue de 3.6 cm (0.8-12). Según la clasificación histológica de la OMS, el más frecuente fue el tipo benigno con 51% (n:27), seguido del limítrofe con 47%(n:25) y maligno con 2% (n:1). Todos fueron unifocales, ninguno presentó características degenerativas ni presencia de elementos heterólogos malignos. Los criterios AMOS en los TF benignos, limítrofes y malignos tuvieron un rango entre 0-41, 11-65 y 38 respectivamente. Y al aplicar los criterios AMOS excluyendo el margen quirúrgico se encontraron rangos de 0-1, 1 y 25 y 38 para cada categoría en orden ascendente, respetivamente. Únicamente este último parámetro tuvo una diferencia estadísticamente significativa al relacionarlo con las categorías de la OMS. Conclusión: el valor de los criterios AMOS es útil para realizar una clasificación más objetiva del TF que la establecida en las categorías benigno, limítrofe y maligno por el grupo de trabajo de la OMS. (Texto tomado de la fuente)spa
dc.description.abstractIntroduction: Phyllodes tumor (FT) belongs to the group of fibroepithelial neoplasms of the breast, together with fibroadenoma (FA), it represents between 0.3% and 1% of all primary tumors of the breast. The WHO classification into benign, borderline, and malignant presents inherent reproducibility challenges. Tools such as the Singapore nomogram have been created, using the AMOS criteria (stromal atypia, mitotic rate, stromal overgrowth, and surgical margin) to establish a more objective classification, which allows establishing an individualized prognosis, with excellent concordance in validation in several countries. Objectives: Describe the distribution by age, correlate the macroscopic and histopathological findings in the WHO categories. To evaluate the AMOS criteria and establish the score that correlates with each histopathological category of the WHO. Methods: Descriptive, retrospective study, taking TF cases from the database of the project “EXPLORANDO LA PATOLOGÍA MAMARIA A TRAVÉS DE UNA BASE DE DATOS DE UN LABORATORIO DE PATOLOGÍA - Experiencia de 11 años 2008-2019”. 53 cases were included, of which the data from the pathology reports were collected and analyzed using descriptive statistics. In addition, the value of the AMOS criteria was established in each case. Results: The mean age of presentation was 43.3 years (15-68), the mean size was 3.6 cm (0.8-12). According to the histological classification of the WHO, the most frequent was the benign type with 51% (n:27), followed by borderline with 47% (n:25) and malignant with 2% (n:1). All were unifocal, none presented degenerative characteristics or the presence of malignant heterologous elements. AMOS criteria in benign, borderline, and malignant TFs ranged from 0-41, 11-65, and 38, respectively. And when applying the AMOS criteria excluding the surgical margin, ranges of 0-1, 1 and 25 and 38 were found for each category in ascending order, respectively. Only this last parameter had a statistically significant difference when related to the category of the WHO. Conclusion: the value of the AMOS criteria is useful for carrying out a more objective classification of FT than that established in the benign, borderline and malignant categories by the WHO working group.eng
dc.description.degreelevelEspecialidades Médicasspa
dc.description.degreenameEspecialista en Patología Anatómica y Clínicaspa
dc.format.extent73 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/84464
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.facultyFacultad de Medicinaspa
dc.publisher.placeBogotá,Colombiaspa
dc.publisher.programBogotá - Medicina - Especialidad en Patología Anatómica y Clínicaspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseReconocimiento 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/spa
dc.subject.ddc610 - Medicina y salud::616 - Enfermedadesspa
dc.subject.decsNeoplasias Fibroepitelialesspa
dc.subject.decsNeoplasms, Fibroepithelialeng
dc.subject.decsNeoplasias de la mamaspa
dc.subject.decsBreast Neoplasmseng
dc.subject.lembNeoplasmasspa
dc.subject.lembNeoplasmseng
dc.subject.proposalMamaspa
dc.subject.proposalTumor filodesspa
dc.subject.proposalNomogramaspa
dc.subject.proposalCriterios AMOSspa
dc.subject.proposalBreasteng
dc.subject.proposalPhyllodes tumoreng
dc.subject.proposalNomogrameng
dc.subject.proposalAMOS criteriaeng
dc.titleAplicación de los criterios AMOS para la clasificación histopatológica de una serie de casos de tumor filodesspa
dc.title.translatedApplication of the AMOS criteria for the histopathological classification of a series of phyllodes tumor caseseng
dc.typeTrabajo de grado - Especialidad Médicaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_7a1fspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bachelorThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TPspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audience.professionaldevelopmentEstudiantesspa
dcterms.audience.professionaldevelopmentInvestigadoresspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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