DISEASE CHARACTERISTICS: Acute myelogenous leukemia in first or second remission or untreated first relapse Documented CD45 expression by leukemic cells required for patients in relapse Phenotyping not required for patients in remission; such patients may have leukemia previously documented to be CD45 negative Circulating blast count less than 10,000 (control with hydroxyurea or similar agent allowed) Genotypically or phenotypically HLA-matched related marrow donor required No donors mismatched for 1 or more HLA antigens No psychologic, physiologic, or medical contraindication to donation No high risk for anesthesia because of age or medical problems No HIV seropositive donors