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Gastroenterol. latinoam ; 31(2): 85-89, 2020. ilus
Article in Spanish | LILACS | ID: biblio-1292373

ABSTRACT

Subepithelial lesions are generally an incidental diagnosis with an prevalence of 0.4%. These tumors represent a great diagnostic challenge, mainly when ruling out potentially malignant lesions, such as gastrointestinal stromal tumor (GIST), lymphomas and carcinomas. Among the many differential diagnosis, the ectopic pancreas arises with an prevalence of 1-2% in general population. The first diagnostic approach is performed using upper digestive endoscopy, computed tomography and endosonography. This last one has a diagnostic performance of less than 50%, which increases to 90% when it is associated with a histopathological examination. There is no current consensus regarding the management and monitoring of these lesions. Based on the imaging and histological characteristics, the possibilities range from observation to endoscopic or surgical resection. In this context, we will present a clinical case of ectopic pancreas as an incidental finding, and afterwards the diagnostic and therapeutic breakdown of subepithelial lesions.


Las lesiones subepiteliales son pesquisadas generalmente de manera incidental, con una prevalencia de 0,4%. Estos tumores suponen un gran desafío diagnóstico, principalmente al momento de descartar lesiones potencialmente malignas, como el tumor estromal gastrointestinal (GIST), linfomas y carcinomas. Dentro de los posibles diagnósticos, surge el páncreas ectópico, con una prevalencia de hasta 1-2% en la población general. La primera aproximación diagnóstica se realiza mediante endoscopia digestiva alta, tomografía computarizada y la endosonografía, ésta última con un rendimiento diagnóstico menor del 50%, que aumenta hasta el 90% al asociar el examen histopatológico. No existe consenso actual respecto al manejo y seguimiento de estas lesiones, que según sus características imagenológicas e histológicas, va desde la observación hasta la resección endoscópica o quirúrgica. En este contexto, se presenta un caso clínico de páncreas ectópico como hallazgo incidental y el desglose diagnóstico y terapéutico de las lesiones subepiteliales.


Subject(s)
Humans , Male , Adult , Pancreas/diagnostic imaging , Choristoma/diagnostic imaging , Stomach Diseases/diagnosis , Endosonography , Gastrointestinal Stromal Tumors/diagnosis , Diagnosis, Differential , Gastrointestinal Neoplasms/diagnosis
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