Matches in SemOpenAlex for { <https://semopenalex.org/work/W2945117103> ?p ?o ?g. }
Showing items 1 to 91 of
91
with 100 items per page.
- W2945117103 abstract "To analyze the accuracy of endoscopic ultrasound (EUS) in the evaluation of ampullary tumors compared to histopathology (HP) staging.A retrospective diagnostic test study. Patients with ampullary tumors staged by EUS and postpancreatoduodenectomy HP attended during 2012-2018 at tertiary level hospital.14 patients with adenocarcinoma where included. Tumor size measured by EUS showed an adequate correlation (R = 0.65; p= 0.01) with HP. The accuracy in the evaluation of duodenal wall, pancreatic, and biliary duct invasion was 78.5, 78.5 and 57.1%, respectively. By HP, there were three T1 (21.4%), two T2 (14.2%) and nine T3 (64.2%). The accuracy of T and N staging by EUS was 71.4% (kappa = 0.50) and 50% (kappa = -0.04) respectively. There were more staging errors in patients with biliary stent.EUS was useful in estimating tumor size, duodenal wall and pancreatic invasion. Limitation was found in the evaluation of biliary duct invasion, as well as overestimation of T stage and underestimation of N stage. It is necessary an increased effort in ultrasonography training. We suggest EUS testing before biliary stenting.Comparar el ultrasonido endoscópico (USE) en la valoración de los tumores ampulares primarios (TAp) con referencia al estudio histopatológico (HP).Estudio retrospectivo prolectivo de pruebas diagnósticas en pacientes con TAp estadificados por USE y pancreatoduodenectomía con estudio HP, atendidos de 2012 a 2018 en un hospital de tercer nivel de atención.Fueron incluidos14 pacientes con adenocarcinoma. El tamaño del tumor medido por USE mostró una adecuada correlación (R = 0.65; p = 0.01) con el HP. La exactitud en la determinación de la invasión a la pared duodenal, el páncreas y el conducto biliar fue del 78.5, el 78.5 y el 57.1%, respectivamente. Por HP hubo tres T1 (21.4%), dos T2 (14.2%) y nueve T3 (64.2%). La exactitud del estadiaje T y N por USE fue del 71.4% (kappa = 0.50) y del 50% (kappa = −0.04), respectivamente. Los errores en la estadificación fueron más frecuentes en los pacientes con prótesis biliar.El USE mostró utilidad en la determinación del tamaño tumoral y de la invasión al duodeno y al páncreas, y más limitada en la determinación de la invasión al conducto biliar por presencia de prótesis. Se observa una sobreestimación del estadiaje T y una subestimación del N. Es necesario mayor capacitación y sugerimos realizarse antes de colocar una prótesis biliar." @default.
- W2945117103 created "2019-05-29" @default.
- W2945117103 creator A5000600725 @default.
- W2945117103 creator A5021923292 @default.
- W2945117103 creator A5042617977 @default.
- W2945117103 creator A5042715438 @default.
- W2945117103 creator A5084595169 @default.
- W2945117103 date "2019-05-22" @default.
- W2945117103 modified "2023-09-25" @default.
- W2945117103 title "Tumores primarios de ámpula de Vater: estadificación prequirúrgica por ultrasonido endoscópico. Estudio de prueba diagnóstica" @default.
- W2945117103 doi "https://doi.org/10.24875/ciru.18000541" @default.
- W2945117103 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31135783" @default.
- W2945117103 hasPublicationYear "2019" @default.
- W2945117103 type Work @default.
- W2945117103 sameAs 2945117103 @default.
- W2945117103 citedByCount "0" @default.
- W2945117103 crossrefType "journal-article" @default.
- W2945117103 hasAuthorship W2945117103A5000600725 @default.
- W2945117103 hasAuthorship W2945117103A5021923292 @default.
- W2945117103 hasAuthorship W2945117103A5042617977 @default.
- W2945117103 hasAuthorship W2945117103A5042715438 @default.
- W2945117103 hasAuthorship W2945117103A5084595169 @default.
- W2945117103 hasBestOaLocation W29451171031 @default.
- W2945117103 hasConcept C121608353 @default.
- W2945117103 hasConcept C126322002 @default.
- W2945117103 hasConcept C126838900 @default.
- W2945117103 hasConcept C138885662 @default.
- W2945117103 hasConcept C142724271 @default.
- W2945117103 hasConcept C146357865 @default.
- W2945117103 hasConcept C151730666 @default.
- W2945117103 hasConcept C2778451229 @default.
- W2945117103 hasConcept C2778724333 @default.
- W2945117103 hasConcept C2779777945 @default.
- W2945117103 hasConcept C2780390042 @default.
- W2945117103 hasConcept C2781182431 @default.
- W2945117103 hasConcept C2989005 @default.
- W2945117103 hasConcept C3017397796 @default.
- W2945117103 hasConcept C41895202 @default.
- W2945117103 hasConcept C544855455 @default.
- W2945117103 hasConcept C71924100 @default.
- W2945117103 hasConcept C86803240 @default.
- W2945117103 hasConcept C90924648 @default.
- W2945117103 hasConceptScore W2945117103C121608353 @default.
- W2945117103 hasConceptScore W2945117103C126322002 @default.
- W2945117103 hasConceptScore W2945117103C126838900 @default.
- W2945117103 hasConceptScore W2945117103C138885662 @default.
- W2945117103 hasConceptScore W2945117103C142724271 @default.
- W2945117103 hasConceptScore W2945117103C146357865 @default.
- W2945117103 hasConceptScore W2945117103C151730666 @default.
- W2945117103 hasConceptScore W2945117103C2778451229 @default.
- W2945117103 hasConceptScore W2945117103C2778724333 @default.
- W2945117103 hasConceptScore W2945117103C2779777945 @default.
- W2945117103 hasConceptScore W2945117103C2780390042 @default.
- W2945117103 hasConceptScore W2945117103C2781182431 @default.
- W2945117103 hasConceptScore W2945117103C2989005 @default.
- W2945117103 hasConceptScore W2945117103C3017397796 @default.
- W2945117103 hasConceptScore W2945117103C41895202 @default.
- W2945117103 hasConceptScore W2945117103C544855455 @default.
- W2945117103 hasConceptScore W2945117103C71924100 @default.
- W2945117103 hasConceptScore W2945117103C86803240 @default.
- W2945117103 hasConceptScore W2945117103C90924648 @default.
- W2945117103 hasIssue "3" @default.
- W2945117103 hasLocation W29451171031 @default.
- W2945117103 hasLocation W29451171032 @default.
- W2945117103 hasOpenAccess W2945117103 @default.
- W2945117103 hasPrimaryLocation W29451171031 @default.
- W2945117103 hasRelatedWork W1974163246 @default.
- W2945117103 hasRelatedWork W1984712409 @default.
- W2945117103 hasRelatedWork W2002283075 @default.
- W2945117103 hasRelatedWork W2018397866 @default.
- W2945117103 hasRelatedWork W2023896385 @default.
- W2945117103 hasRelatedWork W2028685780 @default.
- W2945117103 hasRelatedWork W2056471171 @default.
- W2945117103 hasRelatedWork W2058896416 @default.
- W2945117103 hasRelatedWork W2064077311 @default.
- W2945117103 hasRelatedWork W2081427322 @default.
- W2945117103 hasRelatedWork W2090430448 @default.
- W2945117103 hasRelatedWork W2154162092 @default.
- W2945117103 hasRelatedWork W2165201800 @default.
- W2945117103 hasRelatedWork W2319189532 @default.
- W2945117103 hasRelatedWork W2398765389 @default.
- W2945117103 hasRelatedWork W2408811041 @default.
- W2945117103 hasRelatedWork W2430153181 @default.
- W2945117103 hasRelatedWork W2466775750 @default.
- W2945117103 hasRelatedWork W35537233 @default.
- W2945117103 hasRelatedWork W369448 @default.
- W2945117103 hasVolume "87" @default.
- W2945117103 isParatext "false" @default.
- W2945117103 isRetracted "false" @default.
- W2945117103 magId "2945117103" @default.
- W2945117103 workType "article" @default.