Abstract:
:Chronic myeloid leukemia (CML) is considered to be a pleuripotential stem cell disorder with the capacity to differentiate into myeloid, erythroid, megakaryocytic, and lymphoid cell lines. Consequently, blast crisis (BC) involving each of the above lineages has been well described. Among lymphoblastic crises, differentiation frequently occurs along B-cell lineage. We report four patients of CML who terminated in T-cell extramedullary BC in lymph nodes after a variable duration of chronic phase. The T-lineage was established by characteristic cytochemical staining and reactivity with a panel of anti-T-cell monoclonal antibodies. All four cases were Philadelphia (Ph) chromosome positive and demonstrated the Ph chromosome and associated anomalies (extra Ph, +19) in the lymph nodes. Our data adds to the growing evidence that CML is a disorder of the common stem cell from which T, B, and myeloid precursors originate.
journal_name
Am J Hematoljournal_title
American journal of hematologyauthors
Advani SH,Malhotra H,Kadam PR,Iyer RS,Nanjangud G,Balsara B,Saikia T,Gopal R,Nair CNdoi
10.1002/ajh.2830360204subject
Has Abstractpub_date
1991-02-01 00:00:00pages
86-92issue
2eissn
0361-8609issn
1096-8652journal_volume
36pub_type
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