Abstract
La pancreatitis del surco representa una forma segmentaria de pancreatitis crónica que afecta la región periduodenal, entre la pared duodenal y el páncreas. Esta entidad es poco frecuente y posee ciertas características clínico patológicas que permiten identificarla preoperatoriamente. Esta condición ha recibido varios nombres entre estos: distrofia quística del páncreas heterotópico, hamartoma pancreático del duodeno, quiste paraduodenal y mioadenomatosis del páncreas. Presentamos dos casos de pancreatitis del surco en piezas de duodenopancreatectomía en hombres de 39 y 50 años, ambos bebedores de alcohol. Los estudios de imagen mostraron en ambos lesiones quísticas intrapancreáticas. Histológicamente se observó engrosamiento de la mucosa duodenal, hiperplasia severa de las glándulas de Brunner, proliferación miofibroblástica con formaciones quísticas, entremezclada con tejido pancreático e inflamación crónica. Esta entidad entra en el diagnóstico diferencial de las lesiones pseudotumorales pancreáticas que pueden simular carcinoma. Groove pancreatitis is a form of chronic segmental pancreatitis affecting the periduodenal region between the duodenum and the head of the páncreas. This uncommon entity has distinct clinicopathological features which facilitate its preoperative diagnosis. It is also been known as cystic dystrophy in heterotopic páncreas, pancreatic hamartoma of the duodenum, paraduodenal cyst and adenomyomatosis of the páncreas. We present two cases of groove pancreatitis in adult males aged 39 and 50, both alcohol drinkers, who had undergone pancreatoduodenectomy. Imaging studies showed cystic intrapancreatic lesions. Histologically, a large duodenal wall with prominent myofibroblastic proliferation and cysts admixed with pancreatic tissue and cronic inflammation was seen. Groove pancreatitis may be confused with carcinoma.
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