A Case Report, Suspected Megakaryoblastic Transformation In A Chronic Myeloid Leukemia Patient

Dita Mernita Setyawatia, DMS and Paulus Budiono Notopuro, PBN A Case Report, Suspected Megakaryoblastic Transformation In A Chronic Myeloid Leukemia Patient. International Journal of Research Publications. ISSN 2708-3578

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Backgroud: Chronic Myeloid Leukaemia (CML) is a clonal hematopoiesis stem cell disorder, characterised by reciprocal translocation between chromosomes 9 and chromosomes 22, originally named the ‘Philadelphia chromosome’(Ph). The megakaryoblastic transformation of a CML is extremely rare, consisting <3% of transformed cases. Case Description: A 68-year-old male presented with a CML history since 2000 and received Imatinib therapy. The patient currently showed anemia and splenomegaly. Laboratory results showed hemoglobin 8.1 g/dL, leukocyte count 31,740/たL, platelet count 7,000/たL, Immature Platelet Fraction (IPF) 29.2%, BCR-ABL gene fusion is positive. Bone marrow examination showed CML blastic crisis phase with 45% blasts which had megakaryoblast morphology so it was concluded as a CML that underwent a transformation into megakaryoblastic. The results of bone marrow aspirate using Sysmex-XN1000 showed a very high IPF value which indicated an increased megakaryopoietic proliferative activity. Immunophenotyping examination showed blast population with CD45 dim, low side scatter, with the expression of CD34+, CD33+, CD13+ corresponding to the megakaryoblast area. Examination of the CD41 and CD61 specific megakaryoblast markers was not performed due to reagent limitations. Conclusion: A CML patient has been reported with suspected megakaryoblastic transformation based on the bone marrow morphology, immunophenotyping, molecular and elevated IPF examination.

Item Type: Article
Subjects: R Medicine
R Medicine > RB Pathology
R Medicine > RB Pathology > RB37-56.5 Clinical pathology. Laboratory technique
Divisions: 01. Fakultas Kedokteran > Patologi Klinik
Dita Mernita Setyawatia, DMSUNSPECIFIED
Paulus Budiono Notopuro, PBNUNSPECIFIED
Depositing User: Nona Henggar Anindiarti
Date Deposited: 21 Jun 2023 01:12
Last Modified: 21 Jun 2023 01:12
URI: http://repository.unair.ac.id/id/eprint/127449
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