Human pathology

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myelodysplasia

myelodysplastic syndromes

Cytogenetics

- cytogentical anomalies in 50% of cases of myelodysplastic syndrome (MDS) and 80% of cases of secondary MDS (following chemotherapy or radiotherapy)
- partial or complete chromosome deletion or addition

  • del5q
  • -7
  • +8
  • -Y
  • del20q

- balanced translocations

  • MDS1-EVI1 in t(3;3) or t(3;21) translocations
  • TEL in t(5;12)
  • HIP1 in t(5;7)
  • MLF1 in t(3;5)
  • MEL1 in t(1;3)

References

- Fenaux P. Chromosome and molecular abnormalities in myelodysplastic syndromes. Int J Hematol. 2001 Jun;73(4):429-37. PMID: 11503956