First published online
October 16, 2008, 10.2967/jnumed.108.052928
90Y-Ibritumomab Therapy in Refractory Non-Hodgkin's Lymphoma: Observations from 111In-Ibritumomab Pretreatment Imaging
Andrei Iagaru1,
Sanjiv Sam Gambhir2 and
Michael L. Goris3
1 Division of Nuclear Medicine, Stanford University Medical Center, Stanford, California; 2 Departments of Radiology and Bioengineering, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, James H. Clark Center, Stanford, California; and 3 Division of Nuclear Medicine, Stanford University Medical Center, Stanford, California

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FIGURE 1. A 60-y-old woman with NHL and complete response after 90Y-ibritumomab treatment. (A) No lesions are seen on anterior whole-body planar pretherapy 111In-ibritumomab scan (images from 48-h scan are shown). (B) Pretherapy (1 mo) MIP image of 18F FDG PET shows abdominal lesions (arrowheads). (C) MIP image of 18F FDG PET after therapy (3 mo) is negative for active disease.
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FIGURE 2. A 45-y-old man with NHL and progressive disease after 90Y-ibritumomab treatment. (A) Lesions are seen in abdominal region (arrowheads) on anterior whole-body planar pretherapy 111In-ibritumomab scan (images from 48-h scan are shown). (B and C) Pretherapy (1 mo) MIP image of 18F FDG PET (B) and posttherapy (4 mo) MIP of 18F FDG PET (4 mo apart) (C) show progression of lesions noted before therapy (arrowheads).
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Copyright © 2008 by the Society of Nuclear Medicine.