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Consistency of the Moreau CLL score
Marc Sorigue1, Edurne Sarrate1, Mireia Franch-Sarto1
1Hematology Laboratory, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukemia Research Institute, Universitat Autònoma de Barcelona, Badalona, Spain.
Journal of Clinical Laboratory Analysis
|December 29, 2017
Summary
Inconsistencies in the Moreau score for diagnosing B-cell lymphoproliferative disorders (B-LPD) are common, affecting 32% of patients. However, these antigenic variations likely have limited clinical significance.
Area of Science:
- Hematology
- Immunophenotyping
- Oncology
Background:
- The Moreau score is a critical diagnostic tool for B-cell lymphoproliferative disorders (B-LPD).
- Assessing the reliability of diagnostic markers is crucial for accurate patient management.
Purpose of the Study:
- To evaluate the consistency of the Moreau score in a cohort of B-LPD patients.
- To identify factors associated with inconsistencies in Moreau score results.
Main Methods:
- Analysis of 316 samples from 138 B-LPD patients (excluding specific subtypes).
- Assessment of antigenic marker consistency using the Moreau score criteria.
- Statistical analysis to identify predictive factors for inconsistencies.
Main Results:
- Fifty-three inconsistencies were found in 44 out of 138 patients (32%).
- FMC7 and CD200 showed the highest and lowest inconsistency rates, respectively.
- Sampling from different anatomical sites was the primary predictor of antigenic inconsistencies.
Conclusions:
- Inconsistencies within the Moreau score are frequent, highlighting the need for integrated laboratory diagnostics.
- Despite common inconsistencies, their clinical relevance in B-LPD diagnosis appears limited.
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