Kwon, Sung Ho A gastrointestinal stromal tumor of the duodenum masquerading as a pancreatic head tumor. [electronic resource] - World journal of gastroenterology Jun 2007 - 3396-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 1007-9327 Standard No.: 10.3748/wjg.v13.i24.3396 doi Subjects--Topical Terms: Diagnosis, DifferentialDuodenal Neoplasms--diagnosisGastrointestinal Stromal Tumors--diagnosisHumansMaleMiddle AgedPancreatic Neoplasms--diagnosisStomach Neoplasms--surgeryTomography, X-Ray Computed