The Classic Myeloproliferative Neoplasms

Goals for Today's Presentation

October 2011

Today, we will be talking about the classic myeloproliferative neoplasms or MPNs. Our goals today include understanding the laboratory approach for evaluating patients with a possible MPN. Second, to understand the appropriate utilization of JAK2 V617F and sequencing studies for JAK2 exon 12 and MPL in the MPNs. And, finally, to understand how a utilization scheme for molecular assays in the MPNs can be employed in a clinical laboratory and pathology setting.

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• Introduction
• Optimizing Laboratory Testing for Hematologic Disorders Series
• Goals for Today's Presentation
• Example of a Recent MPN Referral
• Why Do We Have Test Utilization Issues?
• Why Do We Have Test Utilization Issues?
• So What Should We Do?
• WHO Classification
• Important Laboratory Assays in the MPNs
• JAK2 V617F Background
• JAK2 V617F Background
• Question #1 — JAK2 V617F
• JAK2 V617F
• JAK2 V617F at Mayo Clinic
• Conclusion #1 — JAK2 V617F
• JAK2 Exon 12 Sequencing Background
• Question #2 — JAK2 Exon 12 Sequencing
• JAK2 Exon 12 Sequencing: When Not to Use
• JAK2 Exon 12 Sequencing
• Conclusion #2 — JAK2 Exon 12 Sequencing
• MPL Exon 10 Sequencing Studies: Background
• Question #3 — MPL Exon 10 Sequencing
• MPL Exon 10 Sequencing: When to Use
• MPL Exon 10 Sequencing: When Not to Use
• MPL Exon 10 Sequencing
• Conclusion #3 — MPL Exon 10 Sequencing
• Roles of Other Assays in Classic MPN
• Summary
• Myeloproliferative Neoplasm: A Diagnostic Approach to Peripheral Blood Evaluation
• Myeloproliferative Neoplasm: A Diagnostic Approach to Bone Marrow Evaluation
• Implementing a Utilization Approach
• Questions