Clonal hematopoiesis in clinical practice: walking a tightrope

Area of Science:

• Hematology
• Genomics
• Clinical Diagnostics

Background:

• Clonal hematopoiesis (CH) understanding is rapidly advancing due to sequencing technologies.
• CH detection is increasingly integrated into clinical practice, revealing complex diagnostic scenarios.
• Interpreting genomic data in CH presents significant clinical challenges, blurring lines between distinct hematological entities.

Purpose of the Study:

• To review challenging clinical situations encountered in clonal hematopoiesis diagnosis.
• To provide guidance for clinicians navigating complex genomic data interpretation in CH.
• To clarify diagnostic pathways where CH intersects with established clinical practice.

Main Methods:

• Literature review of challenging clonal hematopoiesis cases.
• Analysis of genomic data interpretation issues in clinical settings.
• Synthesis of current understanding and diagnostic approaches in CH.

Main Results:

• Genomic data interpretation in CH often creates diagnostic ambiguity.
• Distinguishing between CH and other hematological conditions requires careful evaluation.
• Several 'grey zone' scenarios in CH diagnosis are identified.

Conclusions:

• Navigating CH diagnosis requires a nuanced understanding of genomic findings.
• Clinicians need support in interpreting complex CH data to ensure accurate diagnosis.
• Further research and consensus are needed for challenging CH cases.