title: Detection of synchronous gastric schwannoma on FDG PET/CT aided by discordant metabolic response.
abstract: This is a case of an unsuspected synchronous gastric schwannoma demonstrating increased F-FDG accumulation on PET/CT in a 65-year-old female patient diagnosed with non-Hodgkin lymphoma on the basis of different metabolic activity to other sites of disease at staging and discordant metabolic response to therapy. The gastric schwannoma was confirmed by histopathology and immunohistochemistry after surgical resection. This case adds to the limited literature on FDG-avid gastric schwannoma and highlights the importance of investigating differential metabolic activity and response on serial PET/CT imaging.
authors.affiliation: From the Department of Nuclear Medicine and PET, Liverpool Hospital, Liverpool, New South Wales, Australia.
authors.forename: June
authors.initials: J
authors.lastname: Yap
authors.forename: Yi-Tung Tom
authors.initials: YT
authors.lastname: Huang
authors.forename: Michael
authors.initials: M
authors.lastname: Lin
mesh_terms: D000368:Aged; D005260:Female; D019788:Fluorodeoxyglucose F18; D006801:Humans; D064847:Multimodal Imaging; D009442:Neurilemmoma / Q000000981:diagnostic imaging*; D049268:Positron-Emission Tomography; D019275:Radiopharmaceuticals; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18