[Immunophenotyping of childhood leukemias--results of the first 100 bone marrow tests]
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Published on: March 5, 2018
Insights
This study analyzed 100 pediatric leukemia cases using flow cytometry, finding B-cell acute lymphoid leukemia most common. Pediatric leukemia showed higher CD34 antigen positivity than adults.
Area of Science:
- Hematology
- Immunology
- Pediatric Oncology
Context:
- Flow cytometry is crucial for diagnosing leukemia.
- Immunophenotyping aids in classifying leukemia subtypes.
- Pediatric leukemia presents unique characteristics compared to adult forms.
Purpose:
- To immunophenotype pediatric leukemia cases using cell-surface markers.
- To analyze the incidence of different leukemia subtypes in children.
- To compare CD34 antigen expression in pediatric versus adult leukemia.
Summary:
- The study summarized results from the first 100 pediatric leukemia cases analyzed via flow cytometry.
- Diagnoses included acute myeloid leukemia (32%), T-cell acute lymphoid leukemia (8%), B-cell acute lymphoid leukemia (54%), and biphenotypic leukemia (5%).
- Higher CD34 antigen positivity was observed in pediatric leukemia patients compared to adults.
Impact:
- Provides insights into the immunophenotypic profile of pediatric leukemia.
- Highlights differences in CD34 expression between pediatric and adult leukemia.
- Contributes to understanding the heterogeneity of childhood leukemia subtypes.
Abstract:
The authors used a cell-surface-marker analysis by flow cytometry for immunophenotyping of pediatric leukemia from 1993. Results of their first one-hundred cases were summarized. They examined 68 bone-marrow samples from 58 patients affected by leukemia, and diagnosed 19 acute myeloid leukemia (32%), 5 T-cell acute lymphoid leukemia (8%), 32 B-cell acute lymphoid leukemia (54%) and 2 biphenotypic leukemia (5%). A higher CD34 antigen positivity was found compared to adults. They analysed the incidence and prognostic significance of myeloid + lymphoid leukemia and lymphoid + myeloid leukemia cases. Nondiagnostic and unsuccessful cases were got according to the literature.
