Positron emission tomography computed tomography features of monomorphic epitheliotropic intestinal T-cell lymphoma
2018
ABSTRACTObjective: To define the positron emission tomography/computed tomography (PET/CT) features of monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), a rare malignancy in European and North American populations and the most common form of primary intestinal T-cell lymphoma in Asian populations.Methods: 18F-fluorodeoxyglucose (FDG) PET/CT findings of a cohort of MEITL patients were retrospectively analyzed.Results: Eight men and four women with MEITL investigated by PET/CT at diagnosis and relapse were retrospectively analyzed. On presentation, the primary involved sites were the small bowel (N = 8), large bowel (N = 2), stomach (N = 1) and small and large bowels (N = 1). The uninvolved small bowel did not show increased FDG-avidity to suggest enteropathy. On presentation, lymph nodes and other organs were involved in seven cases (58%). The primary lesions were hypermetabolic except in one case, where the colonic lesion was eumetabolic. At relapse, the stomach and large bowel might be invo...
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