Dual ALK and MYC rearrangements leading to an aggressive variant of anaplastic large cell lymphoma.

Abstract

Anaplastic lymphoma kinase (ALK) and MYC are oncogenes often dysregulated in pediatric lymphomas. NPM-ALK/t(2;5)(p23;q35) is a genetic hallmark of ALK anaplastic large cell lymphoma (ALCL). MYC gene translocations are frequently detected in high-grade B-cell lymphomas. ALKALCL cases with concurrent MYC translocation are exceedingly rare and are more aggressive and chemoresistent compared with other ALKALCL. We report a patient who presented with ALKALCL possessing coexistent MYC rearrangement, massive tumor dissemination, and early widespread relapse. This case underscores the importance of recognition of close correlation between dual ALK and MYC rearrangements and the characteristic clinical features in this unusual ALCL variant.

• Authors: Xiayuan Liang, Brian Branchford, Brian Greffe, Loris McGavran, Billie Carstens, Lynne Meltesen, Edith A Albano, Ralph Quinones, Bruce Cook, Douglas K Graham
• Journal: Journal of pediatric hematology/oncology (J Pediatr Hematol Oncol) Vol. 35 Issue 5 Pg. e209-13 (Jul 2013) ISSN: 1536-3678 [Electronic] United States
• PMID: 23619105 (Publication Type: Case Reports, Journal Article)

Chemical References

• Oncogene Proteins, Fusion
• Proto-Oncogene Proteins c-myc
• ALK protein, human
• Anaplastic Lymphoma Kinase
• Receptor Protein-Tyrosine Kinases

Topics

• Anaplastic Lymphoma Kinase
• Child
• Gene Rearrangement
• Humans
• Immunohistochemistry
• In Situ Hybridization, Fluorescence
• Lymphoma, Large-Cell, Anaplastic (genetics, pathology, physiopathology)
• Male
• Oncogene Proteins, Fusion (genetics)
• Proto-Oncogene Proteins c-myc (genetics)
• Receptor Protein-Tyrosine Kinases (genetics)
• Translocation, Genetic