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De Novo Acute Myeloid Leukemia with Combined CBFB-MYH11 and BCR-ABL1 Gene Rearrangements: A Case Report and Review of Literature
المؤلفون المشاركون
Cui, Wei
El Atrouni, Wissam
Sethapati, Venkata Rakesh
Jabr, Ra’ed
Shune, Leyla
Gonzales, Patrick R.
Golem, Shivani
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-7، 7ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-12-16
دولة النشر
مصر
عدد الصفحات
7
التخصصات الرئيسية
الملخص EN
Acute myeloid leukemia (AML) with inv(16)(p13.1q22) resulting in CBFB-MYH11 fusion is associated with a favorable prognosis.
The presence of a KIT mutation modifies it to an intermediate prognosis.
Additionally, inv(16) can cooperate with other genetic aberrations to further increase cell proliferation.
Coexistence of inv(16) and t(9;22) is extremely rare (20 cases).
We present a case of a 55-year-old male with elevated white blood cell count.
Bone marrow evaluation and flow cytometry analysis were compatible with AML with monocytic features.
Cytogenetic studies revealed two-related clones, a minor clone with inv(16) and a major clone with concurrent inv(16) and t(9;22) rearrangements.
Fluorescent in situ hybridization studies confirmed these rearrangements.
Molecular analysis detected a p190 BCR-ABL1 transcript protein.
KIT mutations were negative.
The patient was initially treated with standard induction regimen; 7 daily doses of cytarabine from day 1–day 7, 3 daily doses of daunorubicin from day 1–day 3, and 1 dose of Mylotarg (gemtuzumab ozogamicin) on day 1.
The detection of t(9;22) led to the addition of daily doses of dasatinib (tyrosine kinase inhibitor) from day 7 onwards.
The patient achieved complete remission on day 45.
During his treatment course, he acquired disseminated Fusarium infection.
Day 180 bone marrow evaluation revealed florid relapse with 64% blasts.
Cytogenetic study showed clonal evolution of the inv(16) clone with no evidence of the t(9;22) subclone.
Eventually, bone marrow transplantation was contraindicated, and the patient was transferred to palliative care.
Literature review revealed that AML with co-occurrence of CBFB-MYH11 and BCR-ABL1 gene rearrangements was involved by only a small number of cases with de novo and therapy-related AML.
Most cases were in myeloid blast crisis of chronic myeloid leukemia (CML).
Treatment and prognosis among the de novo AML cases varied and majority of them achieved clinical remission.
In contrast, these cytogenetic abnormalities in the blast phase of CML had a poor prognosis.
As the prognosis and management of AML is dependent upon the underlying genetic characteristics of the neoplasm, it is imperative to include clinical outcome with such rare combinations of genetic alterations.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Sethapati, Venkata Rakesh& Jabr, Ra’ed& Shune, Leyla& El Atrouni, Wissam& Gonzales, Patrick R.& Cui, Wei…[et al.]. 2020. De Novo Acute Myeloid Leukemia with Combined CBFB-MYH11 and BCR-ABL1 Gene Rearrangements: A Case Report and Review of Literature. Case Reports in Hematology،Vol. 2020, no. 2020, pp.1-7.
https://search.emarefa.net/detail/BIM-1147795
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Sethapati, Venkata Rakesh…[et al.]. De Novo Acute Myeloid Leukemia with Combined CBFB-MYH11 and BCR-ABL1 Gene Rearrangements: A Case Report and Review of Literature. Case Reports in Hematology No. 2020 (2020), pp.1-7.
https://search.emarefa.net/detail/BIM-1147795
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Sethapati, Venkata Rakesh& Jabr, Ra’ed& Shune, Leyla& El Atrouni, Wissam& Gonzales, Patrick R.& Cui, Wei…[et al.]. De Novo Acute Myeloid Leukemia with Combined CBFB-MYH11 and BCR-ABL1 Gene Rearrangements: A Case Report and Review of Literature. Case Reports in Hematology. 2020. Vol. 2020, no. 2020, pp.1-7.
https://search.emarefa.net/detail/BIM-1147795
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1147795
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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