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Abstract #0869

Diffusion-weighted MRI in the evaluation of posttherapeutic residual masses in lymphoma

Siarhei Kharuzhyk1, Edward Zhavrid2, and Nina Sachivko2

1Radiology, N.N. Alexandrov National Cancer Center, Minsk, Belarus, 2Chemotherapy, N.N. Alexandrov National Cancer Center, Minsk, Belarus

Residual masses do often present on posttreatment imaging in lymphoma. We conducted prospective study to evaluate diagnostic capabilities of CT, MRI and diffusion-weighted MRI (MRI-DWI) in differentiation residual tumors and non-active posttreatment masses in 40 lymphoma patients. MRI-DWI with visual analysis of apparent diffusion coefficient (ADC) maps was the most effective technique. Quantitative ADC analysis is a promising tool for differentiation of active and non-active residual masses in lymphoma.

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