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:: Volume 14, Issue 3 (September-2022 2022) ::
IJBC 2022, 14(3): 22-31 Back to browse issues page
Significance of Cross Lineage Antigen Expression in Acute Lymphoblastic Leukemia
Sindhura Lakshmi Koulmane Laxminarayana, Aradhana Harrison *, Phaneendra VR Datari, Sushma V Belurkar
Assistant Professor, Department of Pathology, Melaka Manipal Medical College, Manipal, Manipal Academy of Higher Education, Manipal - 576104, KA, India. ORCID: 0000-0002-7130-3012
Abstract:   (339 Views)
Background: Aberrant expression of cross-lineage antigens gives valuable insight into the diagnosis and prognosis of acute leukemia. In countries like India, cytogenetic tests are widely accessible. Exploring the prognostic value of an accessible test is of great importance. Therefore, establishing a population-specific immunophenotype database will enable to design an antibody panel equipped to detect cross-lineage antigen expression. The aim of this study was to determine the frequencies of cross-lineage antigen expression in Acute Lymphoblastic Leukaemia (ALL), its relationship with clinical features, and changes in blood counts during the treatment course.
Methods: This was a retrospective observational study conducted at a tertiary care hospital. Consecutive ALL cases over 2 years were reviewed. Relation of cross-lineage aberrant antigens with blood counts and clinical features were studied. Chi-square test and Fisher’s exact test were used.
Results: A total of 149 ALL cases were included in the study. Thirty (20.1%) cases showed expression of cross-lineage antigens. CD7 was the most commonly expressed cross-lineage antigen, seen in 14 (10.5%) cases of B-ALL. CD13, seen in eight (5.3%) patients, was the most frequent aberrant myeloid antigen. Myeloid aberrancies were associated with lower WBC count and blast count while aberrancies of T-cell antigens on B-ALL showed higher WBC count and blast count.
Conclusions: Cross lineage antigenic aberrancies influence blast count and WBC count. Documentation of these aberrancies in ALL helps in prognostication and monitoring of the disease.
Keywords: Acute lymphoblastic leukemia, cross lineage aberrant antigen expression, multiparametric flow cytometry, immunophenotyping
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: Research | Subject: Adults Hematology & Oncology
Received: 2022/06/7 | Accepted: 2022/11/12 | Published: 2022/09/19
* Corresponding Author Address: Manipal Academy of Higher Education, Manipal - 576104, KA, India
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Koulmane Laxminarayana S L, Harrison A, Datari P V, Belurkar S V. Significance of Cross Lineage Antigen Expression in Acute Lymphoblastic Leukemia. IJBC 2022; 14 (3) :22-31
URL: http://ijbc.ir/article-1-1268-en.html

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Volume 14, Issue 3 (September-2022 2022) Back to browse issues page
مجله ی خون و سرطان ایران Iranian Journal of Blood and Cancer
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