Kishore, ManjariKumar, VijayMarwah, SadhnaNigam, Abhay S2020-01-022020-01-022019-03Kishore Manjari, Kumar Vijay, Marwah Sadhna, Nigam Abhay S. Conversion Of All To Aml: A Rare Phenomenon. Indian Journal of Case Reports. 2019 Mar; 5(2): 151-1532454-129X2454-1303http://imsear.searo.who.int/handle/123456789/190856Among all acute leukemias, acute lymphoblastic leukemia (ALL) is five times more common than acute myeloid leukemia (AML). Lineage switch from ALL to AML is very rare. Lineage switching is a phenomenon noted in cases of leukemias where the initially diagnosed cases of leukemias of a lineage (lymphoid/myeloid) present with the opposite lineage at relapse. Here, we report the case of a 10-year-old male child who was initially diagnosed with ALL and on relapse after 4 years, presented with AML. The blast cell morphology and immunophenotype were consistent with the diagnosis of typical AML.Journal ArticleIndiaSenior Resident, Post Graduate Institute of Medical Education and Research, Dr. Ram Manohar Lohia Hospital, New Delhi, IndiaAssociate Professor, Post Graduate Institute of Medical Education and Research, Dr. Ram Manohar Lohia Hospital, New Delhi, IndiaProfessor, Post Graduate Institute of Medical Education and Research, Dr. Ram Manohar Lohia Hospital, New Delhi, IndiaConsultant Pathologist, Department of Pathology, Post Graduate Institute of Medical Education and Research, Dr. Ram Manohar Lohia Hospital, New Delhi, India