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Guide to the Diagnosis of Myeloid Neoplasms: A Bone Marrow Pathology Group Approach
Kathryn Foucar1, Adam Bagg2, Carlos E Bueso-Ramos3
1Department of Pathology, University of New Mexico, Albuquerque, NM, US.
Insights
This guide offers pathologists a roadmap for diagnosing myeloid neoplasms, integrating blood counts, morphology, and genetic testing for improved patient care and treatment. It covers all subtypes and testing considerations.
Area of Science:
- Hematopathology
- Oncology
- Molecular Diagnostics
Background:
- Myeloid neoplasms present increasing diagnostic complexity for practicing pathologists.
- Current standard of care integrates hematologic, morphologic, immunophenotypic, and genetic features.
- Molecular genetic testing is crucial but complex, with evolving test types and assays.
Purpose of the Study:
- To provide a diagnostic roadmap for myeloid neoplasms, from initial detection to final diagnosis.
- To guide pathologists in integrating various diagnostic modalities.
- To assist in accurate classification and reporting of myeloid neoplasms.
Main Methods:
- The guide outlines diagnostic strategies for all myeloid neoplasm subtypes.
- It incorporates classification information, genetic testing requirements, and interpretation guidelines.
- Recommendations are based on the collective experience of 11 Bone Marrow Pathology Group members.
Main Results:
- Classification systems for myeloid neoplasms have evolved to improve patient care, outcome prediction, and treatment.
- Integrated diagnostic approaches enhance diagnostic accuracy.
- Standardized reporting aids in patient management.
Conclusions:
- This guide offers a comprehensive approach to diagnosing myeloid neoplasms.
- It emphasizes the importance of integrating diverse testing modalities.
- The recommendations aim to enhance patient care through accurate diagnosis and classification.
Objectives:
The practicing pathologist is challenged by the ever-increasing diagnostic complexity of myeloid neoplasms. This guide is intended to provide a general roadmap from initial case detection, often triggered by complete blood count results with subsequent blood smear review, to final diagnosis.
Methods:
The integration of hematologic, morphologic, immunophenotypic, and genetic features into routine practice is standard of care. The requirement for molecular genetic testing has increased along with the complexity of test types, the utility of different testing modalities in identifying key gene mutations, and the sensitivity and turnaround time for various assays.
Results:
Classification systems for myeloid neoplasms have evolved to achieve the goal of providing a pathology diagnosis that enhances patient care, outcome prediction, and treatment options for individual patients and is formulated, endorsed, and adopted by hematologists/oncologists.
Conclusions:
This guide provides diagnostic strategies for all myeloid neoplasm subtypes. Special considerations are provided for each category of testing and neoplasm category, along with classification information, genetic testing requirements, interpretation information, and case reporting recommendations based on the experience of 11 Bone Marrow Pathology Group members.
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