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dc.contributor.authorChirayu Udomsakdi Auewarakulen_US
dc.contributor.authorChintana Tocharoentanapholen_US
dc.contributor.authorWanchai Wanachiwanawinen_US
dc.contributor.authorSurapol Issaragrisilen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherDNA Centeren_US
dc.identifier.citationJournal of the Medical Association of Thailand. Vol.87, No.6 (2004), 717-721en_US
dc.description.abstractWe report two cases of Thai patients with aplastic anemia/paroxysmal nocturnal hemoglobinuria (AA/PNH) who subsequently developed acute myeloid leukemia (AML) at their terminal phase. Monosomy 7 was demonstrated upon karyotypic analysis of bone marrow in both cases at the time leukemia developed The first patient was a 25-year-old man diagnosed with AA at age 14, recovered from AA at age 15, developed PNH at age 21 and turned into AML at age 25. The second patient was a 27-year-old man diagnosed with PNH at age 22, developed severe AA at age 25 and turned into AML at age 27. This latter patient received anti-lymphocyte globulin when he developed severe AA but did not respond well whereas the first patient fully recovered from AA with anabolic hormone treatment. Time to diagnosis of AML in the patient who received immunosuppressive therapy was strikingly shorter than that who received conventional androgen therapy (2 years vs 11 years after AA, respectively). The presence of monosomy 7 in leukemic cells of both patients emphasizes its central role in the development of AML from AA/PNH. However, other factors such as choice of AA/PNH therapy and patient's response may modulate the time to emergence of monosomy 7-carrying AML clone and frank leukemia. Further studies into the biologic and genetic mechanisms involved in the development of leukemic clone arising from AA/PNH should be explored.en_US
dc.rightsMahidol Universityen_US
dc.titleMonosomy 7 in patients with aplastic anemia and paroxysmal nocturnal hemoglobinuria with evolution into acute myeloid leukemiaen_US
Appears in Collections:Scopus 2001-2005

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