Chronic pancreatic inflammatory granuloma caused by foreign body presenting as a pancreatic pseudotumor: A case report and literature review

In clinical practical work, a rare kind of chronic pancreatic inflammatory granuloma which is caused by the foreign body of gastrointestinal perforation could be misdiagnosed and treated as pancreatic neoplasm sometimes, and even brings irreparable harm to patients. Here, we depict a male presenting recurrent upper abdominal pain and gradual weight loss, besides, the computer tomography suggested pancreatic tumor strongly. Fortunately, it has been proved to be a chronic pancreatic inflammatory granuloma caused by fish bone through laparotomy finally. To our knowledge, this case is the first case about the chronic pancreatic inflammatory granuloma caused by foreign body which successfully avoids unnecessary pancreatectomy.