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Isochromosome 14q in refractory anemia
M G Boavida1, P Ambrósio, D Dhermy
1Department of Human Genetics, National Institute of Health, Lisbon, Portugal.
Cancer Genetics and Cytogenetics
|September 1, 1997
Summary
Trisomy 14 is rare in blood disorders, usually affecting myeloid cells. This study shows trisomy 14 in myelodysplastic syndromes does not necessarily indicate a poor prognosis.
Area of Science:
- Hematology
- Genetics
- Oncology
Background:
- Trisomy 14 is a rare chromosomal abnormality in hematologic malignancies.
- It is predominantly observed in myeloid cell lineages.
Observation:
- A case of myelodysplastic syndrome-refractory anemia (MDS-RA) presented with elliptocytosis and schistocytosis.
- The patient also exhibited an isochromosome 14q.
Findings:
- Trisomy 14 as the sole genetic abnormality in myelodysplastic/myeloproliferative syndromes (MDS/MPN) was analyzed.
- The presence of trisomy 14 did not correlate with an unfavorable clinical outcome.
Implications:
- This finding suggests trisomy 14 may not be a negative prognostic marker in MDS/MPN.
- Further research into the role of trisomy 14 in hematologic disorders is warranted.