Inclusion Criteria:  Adult Patients newly diagnosed as CD33-positive AML Evidence of a personally signed and dated informed consent document indicating that the patient (or a legally acceptable representative) has been informed of all pertinent aspects of the study.  Exclusion Criteria:  Patients to whom Mylotarg® is contraindicated as per the local labeling (Patients with a history of hypersensitivity including anaphylaxis to the active substance in Mylotarg® or to any of its components or to any of the excipient.) Any patients (or a legally acceptable representative) who does not agree that Pfizer and companies working with Pfizer use his/her information