Acute megaloblastic anemia: homocysteine levels are useful for diagnosis and follow-up.

1. Caballero MD, Gonzalez M, Canizo MC, Orfao A, Nieto MJ, San-Miguel JF. Concomitant chronic lymphocytic leukemia (CLL) and acute myeloid leukemia. Complete remission of CLL achieved with high-dose cytosine arabinoside. Leukemia 1992; 6:856-8. 2. Conlan MG, Mosher DF. Concomitant chronic lymphocytic leukemia, acute myeloid leukemia, and thrombosis with protein C deficiency. Case report and review of the literature. Cancer 1989; 63:1398-401. 3. Rai KR, Patel DV. Chronic lymphocytic leukemia. In Hoffman R, Benz EJ. Jr, Shattil SJ, Furie B, Cohen HJ, Silberstein LE (eds): Hematology: Basic Principles and Clinical Practice. 2nd ed. Curchill Livingstone, New York, 1995, p 1308. 4. Lima M, Porto B, Rodrigues M, et al. Cytogenetic findings in a patient presenting simultaneously with chronic lymphocytic leukemia and acute myeloid leukemia. Cancer-Genet Cytogenet 1996; 87:38-40. 5. Mateu R, Bellido M, Sureda A, et al. Concomitant chronic lymphocytic leukemia and acute myeloid leukemia with an uncommon immunophenotype. Am J Hematol 1997; 56:281. 6. Tamul KR, Meyers DC, Bentley SA, Folds JD. Two color flow cytometric analysis of concomitant acute myeloid leukemia and chronic lymphocytic leukemia. Cytometry 1994; 18:30-4.