An uncommon cause of digestive neoplasm: duodenal melanoma

We present and discuss the case of one patient that presented to the emergency room with abdominal pain in the right hypochondrium radiated to epigastrium and low-grade fever with blood test that shows dissociated colesthasis therefore admitted in the gastroenterology service with choledocholithiasis suspicion. cholangioresonance performed with a sudden stenosis of the bile duct in its intrapancreatic portion due a tumor in the pancreatic head. CT without lessions in other parts of the body. Upper endoscopy shows an ulcerated growth in the papillary area whose biopsies found neoplastic proliferation with S100, SOX10, MelanA and HMB45 positivity.PMID:36043544 | DOI:10.17235/reed.2022.9043/2022

Source: Revista Espanola de Enfermedades Digestivas - August 31, 2022 Category: Gastroenterology Authors: Andr és Felipe Castañeda Agredo Lonore Hurtado de Mendoza Manuel Vicente Mil án Pilo Mari ángeles Pérez-Guillermo Juan Carlos Porres Cubero Source Type: research