Yttrium Y 90 Ibritumomab Tiuxetan and Rituximab in Treating Patients With Previously Untreated Marginal Zone Lymphoma

IV Infusion of 250mg/m² of Rituximab Within 4 hours on Days 1, 7, 8, 9 0.4 millicuries (mCi)/kilogram (kg) (14.8 megabecquerels (MBq)/kilogram (kg)) for patients with normal platelet count 0.3 mCi/kg (11.1 MBq/kg) for patients with platelet count of 100,000-149,000 cells/mm³

"IV injection of Y-90 Zevalin® over 10 minutes on Days 1, 7, 8, 9:~0.4 mCi/kg (14.8 MBq/kg) for patients with normal platelet count 0.3 mCi/kg (11.1 MBq/kg) for patients with platelet count of 100,000-149,000 cells/mm³"