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  Indian J Med Microbiol
 

Figure 12: Maximum intensity projection (MIP) image (a) of patient diffuse large B cell lymphoma involving lymph nodes in retroperitoneum. MIP image (b) of the same patient show persistent disease in the abdomen after six cycles of chemotherapy. Also transaxial positron emission tomography/computed tomography (CT) and CT images of pre and post therapy scans respectively (c-f) show persistent fluoro-deoxy-glucose (FDG) uptake in mass which has regressed by less than 50% of sum product diameter (SPD) when compared to baseline scan. Accordingly this patient falls into stable disease category. This image shows stable disease category according to International Harmonization Project (IHP) criteria. According to IHP criteria stable disease is defined as persistently FDG avid disease with less than 50% reduction in SPD of involved lymph nodal masses

Figure 12: Maximum intensity projection (MIP) image (a) of patient diffuse large B cell lymphoma involving lymph nodes in retroperitoneum. MIP image (b) of the same patient show persistent disease in the abdomen after six cycles of chemotherapy. Also transaxial positron emission tomography/computed tomography (CT) and CT images of pre and post therapy scans respectively (c-f) show persistent fluoro-deoxy-glucose (FDG) uptake in mass which has regressed by less than 50% of sum product diameter (SPD) when compared to baseline scan. Accordingly this patient falls into stable disease category. This image shows stable disease category according to International Harmonization Project (IHP) criteria. According to IHP criteria stable disease is defined as persistently FDG avid disease with less than 50% reduction in SPD of involved lymph nodal masses