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  Indian J Med Microbiol
 

Figure 11: Diffuse large B-cell lymphoma of orbit: Fluorodeoxyglucose positron emission tomography/computed tomography images of a case of orbital diffuse large B-cell lymphoma. Maximum intensity projection image (a) shows no abnormal tracer distribution in rest of the body. (Note: uptake in thorax corresponds to calcified mediastinal nodes and not of lymphoma.) Axial images (b and c) show the hypermetabolic mass involving left orbit and adjacent left ethmoid sinus. A patient received radiotherapy and chemotherapy and positron emission tomography/computed tomography scan done at the end of treatment shows complete metabolic response (e) with residual nonviable tissue (d)

Figure 11: Diffuse large B-cell lymphoma of orbit: Fluorodeoxyglucose positron emission tomography/computed tomography images of a case of orbital diffuse large B-cell lymphoma. Maximum intensity projection image (a) shows no abnormal tracer distribution in rest of the body. (Note: uptake in thorax corresponds to calcified mediastinal nodes and not of lymphoma.) Axial images (b and c) show the hypermetabolic mass involving left orbit and adjacent left ethmoid sinus. A patient received radiotherapy and chemotherapy and positron emission tomography/computed tomography scan done at the end of treatment shows complete metabolic response (e) with residual nonviable tissue (d)