关键词: Additional chromosomal abnormalities Chronic myelogenous leukemia Clonal cytogenic evolution Deletion 7p Monosomy 7 Philadelphia chromosome

Mesh : Adult Antineoplastic Agents / therapeutic use Chromosome Deletion Chromosomes, Human, Pair 7 Humans Karyotyping Leukemia, Myelogenous, Chronic, BCR-ABL Positive / diagnosis drug therapy genetics pathology Male

来  源:   DOI:10.1016/j.cancergen.2021.01.006   PDF(Sci-hub)

Abstract:
Clonal cytogenic evolution with the development of additional chromosomal abnormalities (ACAs) in chronic myelogenous leukemia (CML) is a marker for disease progression and is known to impact therapy and survival. The presence of ACAs has been shown to affect the responses to tyrosine kinase inhibitors (TKI) in patients with newly diagnosed CML in accelerated phase (CML-AP). We report a rare case of a CML patient who presented in CML-AP and was found to have multiple ACAs including monosomy 7, deletion 7p, trisomy 8, and an extra Philadelphia chromosome (Ph) in separate Ph-positive cell line, respectively. Six months after combined chemotherapy with TKI, the patient achieved a major cytogenetic response with disappearance of monosomy 7/deletion 7p with no major molecular response.
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