Journal
CLINICAL NUCLEAR MEDICINE
Volume 47, Issue 11, Pages E702-E703Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0000000000004299
Keywords
extramedullary involvement; FDG PET; CT; gastric involvement; multiple myeloma
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Multiple myeloma is a hematologic malignancy characterized by uncontrolled clonal proliferation of plasma cells, and gastrointestinal involvement is a rare but aggressive biological sign.
Multiple myeloma (MM) is a hematologic malignancy associated with uncontrolled clonal proliferation of plasma cells. Extramedullary disease in MM is an aggressive entity with a poor prognosis. Moreover, involvement of the gastrointestinal tract is a rare aggressive biological sign. F-18-FDG PET/CT is an irreplaceable modality in the assessment of extramedullary disease. We present 2 cases with gastric involvement of MM that were shown by F-18-FDG PET/CT and confirmed as plasma cell infiltration pathologically. F-18-FDG PET/CT studies of MM patients should be interpreted carefully for gastrointestinal involvement, and it should be kept in mind that it can mimic other malignancies.
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