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Aggressive giant cell fibroblastoma with a balanced 17;22 translocation
R D Craver1, H Correa, Y S Kao
1Department of Pathology, Louisiana State University Medical Center, New Orleans 70112, USA.
Cancer Genetics and Cytogenetics
|March 1, 1995
Summary
A rare aggressive giant cell fibroblastoma in a child showed a specific genetic rearrangement, t(17;22)(q21.33;q13.1). This finding provides the first cytogenetic data for this pediatric tumor.
Area of Science:
- Pediatric Oncology
- Human Genetics
- Cytogenetics
Background:
- Giant cell fibroblastoma is an uncommon soft tissue tumor.
- Aggressive variants in early childhood are particularly rare.
- Limited cytogenetic data exists for this specific tumor type.
Purpose of the Study:
- To report the cytogenetic findings of an aggressive giant cell fibroblastoma.
- To characterize the genetic alterations in an early childhood case.
- To contribute to the understanding of the molecular basis of this tumor.
Main Methods:
- Cytogenetic analysis was performed on tumor tissue.
- Karyotyping was used to identify chromosomal abnormalities.
- Specific translocation t(17;22)(q21.33;q13.1) was detected.
Main Results:
- A balanced translocation, t(17;22)(q21.33;q13.1), was identified.
- This represents the first reported cytogenetic analysis for this tumor in a pediatric patient.
- The translocation involved specific chromosomal bands on chromosomes 17 and 22.
Conclusions:
- The identified translocation provides a potential molecular marker for aggressive giant cell fibroblastoma.
- This cytogenetic finding may aid in future diagnosis and classification of pediatric soft tissue tumors.
- Further research is warranted to explore the role of this translocation in tumor development.