Introduction: Plasmacytoma is an uncommon plasma cell neoplasm and its localized form is solitary plasmacytoma of the bone and solitary extramedullary plasmacytoma. Solitary plasmacytoma of the mesentery is extremely rare, reported only in a handful of cases.
Case Presentation: A 47-year-old man with nonspecific abdominal complains was found to have an ill-defined mass on his mesenteric root.