Coristoma pancreático en la vesícula biliar: Reporte de dos casos

Pancreatic choristoma is the ocurrence of normal pancreatic tissue in an abnormal location without any anatomic continuity with the main body of the gland. Although heterotopia is uncommon in the gallbladder and biliary tract, anecdotic cases of gastric mucosa, liver, adrenal gland and pancreas amon...

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Autores principales:	Beltrán,Marcelo A, Barría,Carlos, Naquira,Cecilia, Almonacid,Jorge, Cruces,Karina S
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2007
Materias:	Choristoma Gallbladder Heterotopic pancreas
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872007001000013
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spelling	oai:scielo:S0034-988720070010000132007-12-20Coristoma pancreático en la vesícula biliar: Reporte de dos casosBeltrán,Marcelo ABarría,CarlosNaquira,CeciliaAlmonacid,JorgeCruces,Karina S Choristoma Gallbladder Heterotopic pancreas Pancreatic choristoma is the ocurrence of normal pancreatic tissue in an abnormal location without any anatomic continuity with the main body of the gland. Although heterotopia is uncommon in the gallbladder and biliary tract, anecdotic cases of gastric mucosa, liver, adrenal gland and pancreas among other tissues have been described. We report an eight year-old male and a 22 year-old female, electively operated for symptomatic cholelithiasis. On pathology, a nodule identified as a pancreatic endocrine and exocrine choristoma, was found in the gallbladder wall of both patients. We employed immunohistochemistry to characterize this choristoma. Tubular and epithelial structures were immunoreactive to cytokeratins 7, 8, 18, 19 and 20 and to CA19-9. Exocrine activity was documented by immunoreactivity to al-antitrypsin and al-chemotrypsin. Other immunohistochemical markers such as insulin and somatostatin were positive identifying endocrine activityinfo:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.135 n.10 20072007-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872007001000013es10.4067/S0034-98872007001000013
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Choristoma Gallbladder Heterotopic pancreas
spellingShingle	Choristoma Gallbladder Heterotopic pancreas Beltrán,Marcelo A Barría,Carlos Naquira,Cecilia Almonacid,Jorge Cruces,Karina S Coristoma pancreático en la vesícula biliar: Reporte de dos casos
description	Pancreatic choristoma is the ocurrence of normal pancreatic tissue in an abnormal location without any anatomic continuity with the main body of the gland. Although heterotopia is uncommon in the gallbladder and biliary tract, anecdotic cases of gastric mucosa, liver, adrenal gland and pancreas among other tissues have been described. We report an eight year-old male and a 22 year-old female, electively operated for symptomatic cholelithiasis. On pathology, a nodule identified as a pancreatic endocrine and exocrine choristoma, was found in the gallbladder wall of both patients. We employed immunohistochemistry to characterize this choristoma. Tubular and epithelial structures were immunoreactive to cytokeratins 7, 8, 18, 19 and 20 and to CA19-9. Exocrine activity was documented by immunoreactivity to al-antitrypsin and al-chemotrypsin. Other immunohistochemical markers such as insulin and somatostatin were positive identifying endocrine activity
author	Beltrán,Marcelo A Barría,Carlos Naquira,Cecilia Almonacid,Jorge Cruces,Karina S
author_facet	Beltrán,Marcelo A Barría,Carlos Naquira,Cecilia Almonacid,Jorge Cruces,Karina S
author_sort	Beltrán,Marcelo A
title	Coristoma pancreático en la vesícula biliar: Reporte de dos casos
title_short	Coristoma pancreático en la vesícula biliar: Reporte de dos casos
title_full	Coristoma pancreático en la vesícula biliar: Reporte de dos casos
title_fullStr	Coristoma pancreático en la vesícula biliar: Reporte de dos casos
title_full_unstemmed	Coristoma pancreático en la vesícula biliar: Reporte de dos casos
title_sort	coristoma pancreático en la vesícula biliar: reporte de dos casos
publisher	Sociedad Médica de Santiago
publishDate	2007
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872007001000013
work_keys_str_mv	AT beltranmarceloa coristomapancreaticoenlavesiculabiliarreportededoscasos AT barriacarlos coristomapancreaticoenlavesiculabiliarreportededoscasos AT naquiracecilia coristomapancreaticoenlavesiculabiliarreportededoscasos AT almonacidjorge coristomapancreaticoenlavesiculabiliarreportededoscasos AT cruceskarinas coristomapancreaticoenlavesiculabiliarreportededoscasos
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Coristoma pancreático en la vesícula biliar: Reporte de dos casos

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