Relación entre los hallazgos imagenológicos de la zona transicional en la resonancia magnética multiparamétrica de próstata y la biopsia transrectal de próstata en la Clínica Fundación Oftalmológica de Santander Foscal
| dc.contributor.advisor | Salazar Rey, Milton Augusto | |
| dc.contributor.advisor | Reyes González, Adriana | |
| dc.contributor.apolounab | Salazar Rey, Milton Augusto [milton-augusto-salazar-rey] | spa |
| dc.contributor.apolounab | Reyes González, Adriana [adriana-lucia-reyes-gonzález] | spa |
| dc.contributor.author | Garzón Correa, Diana Lucía | |
| dc.contributor.cvlac | Garzón Correa, Diana Lucía [0001753121] | spa |
| dc.contributor.cvlac | Salazar Rey, Milton Augusto [0001489804] | spa |
| dc.contributor.cvlac | Reyes González, Adriana [0000126469] | spa |
| dc.contributor.orcid | Garzón Correa, Diana Lucía [0009-0005-3246-5667] | spa |
| dc.contributor.orcid | Salazar Rey, Milton Augusto [0000-0002-1316-4149] | spa |
| dc.contributor.orcid | Reyes González, Adriana [0000-0002-9852-9345] | spa |
| dc.coverage.campus | UNAB Campus Bucaramanga | spa |
| dc.coverage.spatial | Floridablanca (Santander, Colombia) | spa |
| dc.coverage.temporal | Enero 2017 - Junio 2023 | spa |
| dc.date.accessioned | 2024-01-30T12:53:09Z | |
| dc.date.available | 2024-01-30T12:53:09Z | |
| dc.date.issued | 2024-01-29 | |
| dc.degree.name | Especialista en Urología | spa |
| dc.description.abstract | Introducción: La prevalencia mundial del cáncer de próstata así como su aumento progresivo destaca su impacto significativo en la salud masculina, siendo la quinta causa de mortalidad por cáncer a nivel mundial. Este estudio aborda la necesidad de mejorar la detección temprana y precisa del cáncer de próstata clínicamente significativo, evitando falsos positivos y su sobrediagnóstico. Se investiga la eficacia de la resonancia magnética multiparamétrica de próstata y su papel en el diagnóstico y la estratificación del riesgo de esta patología. La investigación de esta tesis se centra en explorar y validar la frecuencia de alteraciones observadas en la zona transicional de la próstata, desafiando las tendencias globales, y busca determinar la correlación entre estas alteraciones y la confirmación de carcinoma mediante histopatología. Este estudio contribuirá a la comprensión y mejora de las estrategias de detección del cáncer de próstata en la zona transicional en nuestra institución. Metodología: Se realizó un estudio de corte transversal, analítico, de fuente secundaria de datos anonimizados. Se realizaron cálculos para determinar la prevalencia del cáncer de próstata en la zona transicional. Se empleó el modelo de correlación Kappa para analizar la concordancia entre las lesiones sospechosas en la zona transicional observadas mediante resonancia y los resultados de la biopsia. Se realizaron cálculos de sensibilidad, especificidad y áreas bajo la curva así como se realizaron cálculos de asociación entre estas variables. Resultados: Entre enero del 2017 y junio del 2023, 201 pacientes fueron sometidos a biopsia transrectal de próstata posterior a obtener una resonancia multiparamétrica de próstata informada como anormal. La población tuvo una mediana de edad de 65,53 años. El 33,88 tenía alteración del tacto rectal y la mediana de PSA fue de 14 ng/dl con una mediana de PSAd de 0,25. El 56,72% de los pacientes tenía lesiones hipoecógenas visualizadas ecográficamente. En el 66,17% de los pacientes se reportaron lesiones sospechosas en la zona transicional. En cuanto a la clasificación PI-RADS, el 60,20% de la población se ubicó en la categoría 4. De la totalidad de la población llevada a biopsia, el 53.54% mostró resultados positivos siendo el grado grupo 4 el más prevalente con un 33,33%. La prevalencia del cáncer de próstata en la zona transicional de la población de estudio fue del 27,7%. Los resultados revelaron una baja concordancia entre las lesiones sospechosas en la zona transicional observadas mediante resonancia y los resultados de la biopsia, con un coeficiente de kappa de -0.3015. En el caso de las lesiones de esta misma zona, se observó una sensibilidad del 51.9%, una especificidad del 18.5%, y un área bajo la curva ROC de 0.35. Se observó una asociación inversa significativa entre la presencia de lesiones sospechosas en la zona transicional y la probabilidad de obtener una biopsia positiva (OR 0,24 IC 95%: 0,1276 - 0,4681, p < 0,05). Conclusión: Respecto a la prevalencia del cáncer de próstata en la zona transicional, los resultados del estudio respaldan los hallazgos previos de la literatura mundial. La correlación positiva en la zona periférica refuerza la utilidad de la resonancia en esa región pero los resultados de nuestro estudio dejan grandes dudas sobre su ayuda e interpretación en la zona transicional dada la baja concordancia entre esta y la biopsia, lo que subraya desafíos interpretativos con implicaciones clínicas importantes. Se destaca la necesidad de enfoques complementarios y estrategias de seguimiento en nuestro campo para mejorar las estrategias de diagnóstico y tratamiento del cáncer de próstata en esta área. | spa |
| dc.description.abstractenglish | Introduction: The global prevalence of prostate cancer, along with its progressive increase, underscores its significant impact on men's health, ranking as the fifth leading cause of cancer-related mortality worldwide. This study addresses the need to enhance early and accurate detection of clinically significant prostate cancer, aiming to avoid false positives and overdiagnosis. In this project, we explore the efficacy of multiparametric magnetic resonance imaging and its role in diagnosing and stratifying the risk associated with this pathology. This study focuses on investigating and validating the frequency of observed alterations in the transitional zone of the prostate, challenging global trends. The primary goal is to determine the correlation between these alterations and confirmed carcinoma through histopathology. This study aims to further understand and improve prostate cancer detection strategies in the transitional zone within our institution Methodology: A cross-sectional, analytical study was conducted using secondary anonymized data. Calculations were performed to determine the prevalence of prostate cancer in the transitional zone in our institution. The Kappa correlation model was employed to analyze the agreement between suspicious lesions in the transitional zone observed by mp-MRI and biopsy results. Sensitivity, specificity, and area under the curve were also calculated. Results: Between January 2017 and June 2023, 201 patients underwent transrectal prostate biopsy after an abnormal mp-MRI. The population had a median age of 65.53 years (IQR 9.5). 33.88% had abnormal digital rectal exam, with a median PSA of 14 ng/dl and a median PSAd of 0.25. 56.72% of patients had hypoechoic lesions visualized by ultrasound. 66.17% of patients reported suspicious lesions in the transitional zone. Regarding PI-RADS classification, 60.20% of patients were classified as category 4. Of the total population biopsied, 53.54% showed positive results, with Grade Group 4 being the most prevalent (33.33%). The prevalence of prostate cancer in the transitional zone of the study population was 27.7%. Results revealed low concordance between suspicious lesions in the transitional zone observed through mp-MRI and biopsy results, with a Kappa coefficient of -0.3015. For lesions in this zone, a sensitivity of 51.9%, specificity of 18.5%, and an AUC of 0.35 were observed. A significant inverse association was noted between the presence of suspicious lesions in the transitional zone and the likelihood of a positive biopsy (OR 0.24, 95% CI: 0.1276 - 0.4681, p < 0.05). Conclusion: The observed positive correlation in the peripheral zone further underscores the effectiveness of mp-MRI in that particular region. However, our study interrogates the utility and interpretation of mp-MRI in the transitional zone, as evidenced by its low association with biopsy. This underscores interpretive challenges that hold significant clinical implications. The implications of our study emphasize the imperative for complementary approaches and follow-up strategies in our field. Addressing these challenges is crucial to enhancing diagnostic and treatment strategies for prostate cancer, particularly in the transitional zone. | spa |
| dc.description.degreelevel | Especialización | spa |
| dc.description.learningmodality | Modalidad Presencial | spa |
| dc.description.tableofcontents | LISTA DE TABLAS LISTA DE FIGURAS LISTA DE ANEXOS GLOSARIO RESUMEN ESPAÑOL INGLÉS PLANTEAMIENTO DEL PROBLEMA DE INVESTIGACIÓN Y SU JUSTIFICACIÓN EN TÉRMINOS DE NECESIDADES Y PERTINENCIA MARCO TEÓRICO Y ESTADO DEL ARTE OBJETIVOS 8.1 GENERAL 8.2 ESPECÍFICOS METODOLOGÍA 9.1 TIPO DE ESTUDIO 9.2 POBLACIÓN DE ESTUDIO 9.3 TAMAÑO DE LA MUESTRA 9.4 CRITERIOS DE INCLUSIÓN 9.5 CRITERIOS DE EXCLUSIÓN 9.6 VARIABLES 9.7 PROCEDIMIENTO 9.8 CONTROL DE CALIDAD 9.8.1 PROCESAMIENTO Y CONTROL DE LA CALIDAD DE LOS DATOS 9.8.2 MONITOREO DE LOS DATOS Y PLAN DE ANÁLISIS 9.8.3 ANÁLISIS DE LOS DATOS 10. CONSIDERACIONES ÉTICAS 11. RESULTADOS 12. DISCUSIÓN 13. LIMITACIONES Y PERSPECTIVAS FUTURAS 14. CONCLUSIONES 15. REFERENCIAS BIBLIOGRÁFICAS 16. ANEXOS | spa |
| dc.format.mimetype | application/pdf | spa |
| dc.identifier.instname | instname:Universidad Autónoma de Bucaramanga - UNAB | spa |
| dc.identifier.reponame | reponame:Repositorio Institucional UNAB | spa |
| dc.identifier.repourl | repourl:https://repository.unab.edu.co | spa |
| dc.identifier.uri | http://hdl.handle.net/20.500.12749/23315 | |
| dc.language.iso | spa | spa |
| dc.publisher.faculty | Facultad Ciencias de la Salud | spa |
| dc.publisher.grantor | Universidad Autónoma de Bucaramanga UNAB | spa |
| dc.publisher.program | Especialización en Urología | spa |
| dc.publisher.programid | EURO-1271 | |
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| dc.relation.uriapolo | https://apolo.unab.edu.co/en/persons/milton-augusto-salazar-rey | spa |
| dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
| dc.rights.creativecommons | Atribución-NoComercial-SinDerivadas 2.5 Colombia | * |
| dc.rights.local | Abierto (Texto Completo) | spa |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/2.5/co/ | * |
| dc.subject.keywords | Medical sciences | spa |
| dc.subject.keywords | Health sciences | spa |
| dc.subject.keywords | Urology | spa |
| dc.subject.keywords | Medicine | spa |
| dc.subject.keywords | Prostate | spa |
| dc.subject.keywords | Multiparametric prostate magnetic resonance | spa |
| dc.subject.keywords | Transitional zone | spa |
| dc.subject.keywords | Magnetic fields | spa |
| dc.subject.keywords | Laboratory diagnosis | spa |
| dc.subject.keywords | Prostate neoplasms | spa |
| dc.subject.lemb | Urología | spa |
| dc.subject.lemb | Medicina | spa |
| dc.subject.lemb | Ciencias médicas | spa |
| dc.subject.lemb | Campos magnéticos | spa |
| dc.subject.lemb | Diagnóstico de laboratorio | spa |
| dc.subject.lemb | Neoplasmas de la próstata | spa |
| dc.subject.proposal | Ciencias de la salud | spa |
| dc.subject.proposal | Próstata | spa |
| dc.subject.proposal | Resonancia magnética multiparamétrica | spa |
| dc.subject.proposal | Zona transicional | spa |
| dc.subject.proposal | Urología | spa |
| dc.title | Relación entre los hallazgos imagenológicos de la zona transicional en la resonancia magnética multiparamétrica de próstata y la biopsia transrectal de próstata en la Clínica Fundación Oftalmológica de Santander Foscal | spa |
| dc.title.translated | Relationship between imaging findings in the transitional zone on multiparametric prostate magnetic resonance imaging and transrectal prostate biopsy at the Santander Ophthalmological Foundation Clinic (Foscal) | spa |
| dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
| dc.type.driver | info:eu-repo/semantics/masterThesis | |
| dc.type.hasversion | info:eu-repo/semantics/acceptedVersion | |
| dc.type.local | Tesis | spa |
| dc.type.redcol | http://purl.org/redcol/resource_type/TM |
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